US Bridges

SR1940 over Back Creek

Fair

Alamance County, North Carolina · 0.5 Mi. E. Jct. SR1928 · Structure no. 000000000010067

Built
1986
39 years old
Condition
Fair
inspected December 2024
Type
Slab
Prestressed Concrete
Length
176 ft
4 main spans
Daily traffic
2,000
2022 count
Owner
State
State Highway Agency

About this bridge

SR1940 over Back Creek is a prestressed concrete slab carrying SR1940 over Back Creek in Alamance County, North Carolina. It was built in 1986, so it is 39 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 5 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 7% of them trucks, projected to reach 4,000 by 2040. The structure is 176 ft (53.6 m) long and 27 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesSR1940
CrossesBack Creek
Location0.5 Mi. E. Jct. SR1928
RouteState Highway 1940
CountyAlamance County
StateNorth Carolina
Coordinates36.07254, -79.34273
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87 US tons
Inventory rating51.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20 + Mod
Structure length176 ft (53.6 m)
Longest span43 ft (13.1 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2022)
Projected traffic4,000 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1940 over Back Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is SR1940 over Back 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 December 2024.

How much traffic does SR1940 over Back Creek carry?

About 2,000 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is SR1940 over Back Creek?

The structure is 176 ft (53.6 m) long with a longest span of 43 ft (13.1 m) and a deck 27 ft wide.

Who owns SR1940 over Back Creek?

It is owned by the State Highway Agency.