US Bridges

SR 4037 over Mud Run

Fair

Columbia County, Pennsylvania · 1 MI W of Rohrsburg · Structure no. 000000000012746

Built
1938
87 years old, rebuilt 1986
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
68 ft
1 main span
Daily traffic
573
2024 count
Owner
State
State Highway Agency

About this bridge

SR 4037 over Mud Run is a steel stringer/multi-beam or girder carrying SR 4037 over Mud Run in Columbia County, Pennsylvania. It was built in 1938 and reconstructed in 1986, so it is 87 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 5 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 573 vehicles a day, roughly 8% of them trucks, projected to reach 549 by 2032. The structure is 68 ft (20.7 m) long and 25 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesSR 4037
CrossesMud Run
Location1 MI W of Rohrsburg
RouteState Highway 0
CountyColumbia County
StatePennsylvania
Coordinates41.11957, -76.44987
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating37 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length68 ft (20.7 m)
Longest span62 ft (18.9 m)
Deck width25 ft (7.5 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic573 (2024)
Projected traffic549 by 2032
Trucks8%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 4037 over Mud Run built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1986.

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 573 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is SR 4037 over Mud Run?

The structure is 68 ft (20.7 m) long with a longest span of 62 ft (18.9 m) and a deck 25 ft wide.

Who owns SR 4037 over Mud Run?

It is owned by the State Highway Agency.