US Bridges

SR1138 over Ostin Creek

Good

Polk County, North Carolina · .2 MI.E.JCT.SR1142 · Structure no. 000000001490117

Built
1979
46 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
1,200
2020 count
Owner
State
State Highway Agency

About this bridge

SR1138 over Ostin Creek is a concrete continuous culvert carrying SR1138 over Ostin Creek in Polk County, North Carolina. It was built in 1979, so it is 46 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 1,200 vehicles a day, roughly 6% of them trucks, projected to reach 2,400 by 2040. The structure is 23 ft (7 m) long. If it were closed, the detour would be 14.9 mi (24 km).

CarriesSR1138
CrossesOstin Creek
Location.2 MI.E.JCT.SR1142
RouteState Highway 1138
Coordinates35.31365, -82.21789
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 48 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 alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating47 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length23 ft (7 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 traffic1,200 (2020)
Projected traffic2,400 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR1138 over Ostin Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is SR1138 over Ostin 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 Ostin Creek carry?

About 1,200 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is SR1138 over Ostin Creek?

The structure is 23 ft (7 m) long with a longest span of 11 ft (3.3 m).

Who owns SR1138 over Ostin Creek?

It is owned by the State Highway Agency.