US Bridges

SR1138 over Mountain Creek

Good

Graham County, North Carolina · .1 MI.N.JCT.SR1256 · Structure no. 000000000750122

Built
1983
42 years old
Condition
Good
inspected July 2023
Type
Slab
Prestressed Concrete
Length
90 ft
3 main spans
Daily traffic
280
2014 count
Owner
State
State Highway Agency

About this bridge

SR1138 over Mountain Creek is a prestressed concrete slab carrying SR1138 over Mountain Creek in Graham County, North Carolina. It was built in 1983, so it is 42 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 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 280 vehicles a day, roughly 6% of them trucks, projected to reach 560 by 2040. The structure is 90 ft (27.4 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR1138
CrossesMountain Creek
Location.1 MI.N.JCT.SR1256
RouteState Highway 1138
Coordinates35.33633, -83.80552
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating65.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20 + Mod
Structure length90 ft (27.4 m)
Longest span29 ft (8.8 m)
Deck width27 ft (8.3 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic280 (2014)
Projected traffic560 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 SR1138 over Mountain Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is SR1138 over Mountain 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 July 2023.

How much traffic does SR1138 over Mountain Creek carry?

About 280 vehicles per day (2014 count), of which roughly 6% are trucks.

How long is SR1138 over Mountain Creek?

The structure is 90 ft (27.4 m) long with a longest span of 29 ft (8.8 m) and a deck 27 ft wide.

Who owns SR1138 over Mountain Creek?

It is owned by the State Highway Agency.