SR4005 over Marsh Run
Indiana County, Pennsylvania · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR4005 over Marsh Run in Indiana County, Pennsylvania, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 9 (excellent condition) on the 0-9 scale.
- It was built in 2024, making it 1 years old at the 2025 inventory.
- It carries about 10,830 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 93 of the 301 inventoried bridges in Indiana County rated good (30.9%); 54 (17.9%) are rated poor.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (40.61181, -79.15878)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 9 | Excellent condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 39 ft |
| Location | Mack Park |
| NBI structure number | 000000000070633 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Pennsylvania department of transportation.
Busiest bridges in Indiana County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SR0022 Eb&wb over Lear Rd | 1952 | 29,096 | Fair |
| SR0022 Eb&wb over Norfolk Southern RR | 1953 | 29,096 | Fair |
| SR0022 Eb&wb over SR0119 Nb&sb | 2003 | 21,499 | Good |
| SR0022 Eb&wb over Conemaugh River | 1951 | 20,532 | Fair |
| SR 0022 Eb&wb over SR 0217 & NS RR | 1951 | 20,532 | Fair |
| SR0286 over SR0422 Eb&wb | 1993 | 17,343 | Fair |
All bridges nearby: Indiana County, PA bridge conditions · every bridge in Indiana County · Pennsylvania bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.