US Bridges

SR1137 over Mountain Creek

Fair

Alexander County, North Carolina · 0.7 Mi. E. Jct. SR1151 · Structure no. 000000000030103

Built
1984
41 years old
Condition
Fair
inspected September 2024
Type
Culvert
Steel
Length
26 ft
2 main spans
Daily traffic
3,400
2021 count
Owner
State
State Highway Agency

About this bridge

SR1137 over Mountain Creek is a steel culvert carrying SR1137 over Mountain Creek in Alexander County, North Carolina. It was built in 1984, so it is 41 years old, older than the North Carolina average of 38.7 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 3,400 vehicles a day, roughly 7% of them trucks, projected to reach 6,800 by 2040. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesSR1137
CrossesMountain Creek
Location0.7 Mi. E. Jct. SR1151
RouteState Highway 1137
CountyAlexander County
StateNorth Carolina
Coordinates35.83941, -81.24348
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length26 ft (7.9 m)
Longest span11 ft (3.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,400 (2021)
Projected traffic6,800 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 Mountain Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is SR1137 over Mountain 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 September 2024.

How much traffic does SR1137 over Mountain Creek carry?

About 3,400 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is SR1137 over Mountain Creek?

The structure is 26 ft (7.9 m) long with a longest span of 11 ft (3.3 m).

Who owns SR1137 over Mountain Creek?

It is owned by the State Highway Agency.