US Bridges

SR 4037 over Mud Run

Fair

Columbia County, Pennsylvania · 5 MI NW of Millville Boro · Structure no. 000000000012747

Built
1934
91 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete
Length
22 ft
1 main span
Daily traffic
191
2024 count
Owner
State
State Highway Agency

About this bridge

SR 4037 over Mud Run is a concrete slab carrying SR 4037 over Mud Run in Columbia County, Pennsylvania. It was built in 1934, so it is 91 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 191 vehicles a day, roughly 14% of them trucks, projected to reach 158 by 2032. The structure is 22 ft (6.7 m) long and 26 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesSR 4037
CrossesMud Run
Location5 MI NW of Millville Boro
RouteState Highway 0
CountyColumbia County
StatePennsylvania
Coordinates41.13681, -76.46032
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width26 ft (7.9 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic191 (2024)
Projected traffic158 by 2032
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$345,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 4037 over Mud Run built?

It was built in 1934, making it 91 years old in 2025.

What condition is SR 4037 over Mud Run 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 February 2024.

How much traffic does SR 4037 over Mud Run carry?

About 191 vehicles per day (2024 count), of which roughly 14% are trucks.

How long is SR 4037 over Mud Run?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 26 ft wide.

Who owns SR 4037 over Mud Run?

It is owned by the State Highway Agency.