US Bridges

SR1137 over Prong Seven Mile Creek

Good

Orange County, North Carolina · 1.7 Mi. E. Jct. SR1114 · Structure no. 000000001350194

Built
1988
37 years old
Condition
Good
inspected May 2024
Type
Culvert
Steel
Length
43 ft
3 main spans
Daily traffic
350
2022 count
Owner
State
State Highway Agency

About this bridge

SR1137 over Prong Seven Mile Creek is a steel culvert carrying SR1137 over Prong Seven Mile Creek in Orange County, North Carolina. It was built in 1988, so it is 37 years old, younger than the North Carolina average of 38.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 350 vehicles a day, roughly 6% of them trucks, projected to reach 700 by 2040. The structure is 43 ft (13.1 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR1137
CrossesProng Seven Mile Creek
Location1.7 Mi. E. Jct. SR1114
RouteState Highway 1137
Coordinates36.06241, -79.19739
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length43 ft (13.1 m)
Longest span12 ft (3.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2022)
Projected traffic700 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 SR1137 over Prong Seven Mile Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is SR1137 over Prong Seven Mile Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does SR1137 over Prong Seven Mile Creek carry?

About 350 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SR1137 over Prong Seven Mile Creek?

The structure is 43 ft (13.1 m) long with a longest span of 12 ft (3.6 m).

Who owns SR1137 over Prong Seven Mile Creek?

It is owned by the State Highway Agency.