US Bridges

SR1237 over I85

Fair

Warren County, North Carolina · 0.9 Mi.N JCT US1 · Structure no. 000000001850010

Built
1957
68 years old
Condition
Fair
inspected October 2023
Type
Tee Beam
Concrete
Length
215 ft
4 main spans
Daily traffic
2,000
2019 count
Owner
State
State Highway Agency

About this bridge

SR1237 over I85 is a concrete tee beam carrying SR1237 over I85 in Warren County, North Carolina. It was built in 1957, so it is 68 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 2,000 vehicles a day, roughly 6% of them trucks, projected to reach 4,000 by 2040. The structure is 215 ft (65.5 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSR1237
CrossesI85
Location0.9 Mi.N JCT US1
RouteState Highway 1237
CountyWarren County
StateNorth Carolina
Coordinates36.4308, -78.29561
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating43 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length215 ft (65.5 m)
Longest span54 ft (16.4 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2019)
Projected traffic4,000 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR1237 over I85 built?

It was built in 1957, making it 68 years old in 2025.

What condition is SR1237 over I85 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 October 2023.

How much traffic does SR1237 over I85 carry?

About 2,000 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is SR1237 over I85?

The structure is 215 ft (65.5 m) long with a longest span of 54 ft (16.4 m) and a deck 33 ft wide.

Who owns SR1237 over I85?

It is owned by the State Highway Agency.