US Bridges

SR1145 over Tar River

Good

Nash County, North Carolina · 2.6 MI N. of JCT SR1137 · Structure no. 000000001270027

Built
1980
45 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
305 ft
5 main spans
Daily traffic
450
2022 count
Owner
State
State Highway Agency

About this bridge

SR1145 over Tar River is a prestressed concrete stringer/multi-beam or girder carrying SR1145 over Tar River in Nash County, North Carolina. It was built in 1980, so it is 45 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 450 vehicles a day, roughly 6% of them trucks, projected to reach 900 by 2040. The structure is 305 ft (92.9 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR1145
CrossesTar River
Location2.6 MI N. of JCT SR1137
RouteState Highway 1145
Coordinates35.90523, -78.11287
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating93.9 US tons
Inventory rating36.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 15
Structure length305 ft (92.9 m)
Longest span63 ft (19.2 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2022)
Projected traffic900 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 SR1145 over Tar River built?

It was built in 1980, making it 45 years old in 2025.

What condition is SR1145 over Tar River 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 March 2024.

How much traffic does SR1145 over Tar River carry?

About 450 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SR1145 over Tar River?

The structure is 305 ft (92.9 m) long with a longest span of 63 ft (19.2 m) and a deck 31 ft wide.

Who owns SR1145 over Tar River?

It is owned by the State Highway Agency.