US113 & SR1 NB over Murderkill River
Kent County, Delaware · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US113 & SR1 NB over Murderkill River in Kent County, Delaware, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1965 and reconstructed in 2000, making it 60 years old at the 2025 inventory.
- It carries about 23,353 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 84 of the 192 inventoried bridges in Kent County rated fair (43.8%); 2 (1.0%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its class is unchanged from 2024 (fair), but component ratings moved: deck 6 to 7.
- Its most recent inspection on record is dated October 2024, on a 24-month routine inspection cycle.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (39.01096, -75.45875)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 7 | Good condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 1,000 ft |
| Location | Frederica Bypass |
| NBI structure number | 2008I008 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | October 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Delaware department of transportation.
Busiest bridges in Kent County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Bay Road / US113 over St. Jones River | 1984 | 39,952 | Fair |
| Dupont HWY/US13 over Isaacs Branch | 1952 | 38,782 | Fair |
| Korean War Vet Mem over SR10/E. Lebanon Rd. | 1993 | 37,408 | Good |
| SR1/KOREAN Vet War over Rd 331/DYKE Branch Rd | 1992 | 27,639 | Fair |
| Korean War Vet Hwy over Big Oak Rd | 1992 | 26,405 | Fair |
| Dupont HWY/US13 over Mill Creek | 1940 | 23,499 | Good |
All bridges nearby: Kent County, DE bridge conditions · every bridge in Kent County · Delaware bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.