US Bridges

SR 4024 over Chest Creek

Fair

Cambria County, Pennsylvania · Thomas Mill · Structure no. 000000000008710

Built
1961
64 years old, rebuilt 2010
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
110 ft
2 main spans
Daily traffic
293
2024 count
Owner
State
State Highway Agency

About this bridge

SR 4024 over Chest Creek is a steel stringer/multi-beam or girder carrying SR 4024 over Chest Creek in Cambria County, Pennsylvania. It was built in 1961 and reconstructed in 2010, so it is 64 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 293 vehicles a day, roughly 1% of them trucks, projected to reach 197 by 2032. The structure is 110 ft (33.5 m) long and 33 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesSR 4024
CrossesChest Creek
LocationThomas Mill
RouteState Highway 0
Coordinates40.66181, -78.66451
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating106 US tons
Inventory rating63.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length110 ft (33.5 m)
Longest span54 ft (16.5 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic293 (2024)
Projected traffic197 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck rehabilitation with only incidental widening
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 4024 over Chest Creek built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2010.

What condition is SR 4024 over Chest Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2023.

How much traffic does SR 4024 over Chest Creek carry?

About 293 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is SR 4024 over Chest Creek?

The structure is 110 ft (33.5 m) long with a longest span of 54 ft (16.5 m) and a deck 33 ft wide.

Who owns SR 4024 over Chest Creek?

It is owned by the State Highway Agency.