US Bridges

SR1311 over East Prong Moon Creek

Fair

Caswell County, North Carolina · 0.10 Mi. E. Jct. SR1310 · Structure no. 000000000330069

Built
1978
47 years old
Condition
Fair
inspected May 2023
Type
Slab
Prestressed Concrete
Length
60 ft
2 main spans
Daily traffic
1,100
2021 count
Owner
State
State Highway Agency

About this bridge

SR1311 over East Prong Moon Creek is a prestressed concrete slab carrying SR1311 over East Prong Moon Creek in Caswell County, North Carolina. It was built in 1978, so it is 47 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 1,100 vehicles a day, roughly 6% of them trucks, projected to reach 2,200 by 2040. The structure is 60 ft (18.2 m) long and 30 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

Location

Open in Google Maps
CarriesSR1311
CrossesEast Prong Moon Creek
Location0.10 Mi. E. Jct. SR1310
RouteState Highway 1311
CountyCaswell County
StateNorth Carolina
Coordinates36.41461, -79.41169
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating73 US tons
Inventory rating44 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 15
Structure length60 ft (18.2 m)
Longest span28 ft (8.5 m)
Deck width30 ft (9.2 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2021)
Projected traffic2,200 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 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 SR1311 over East Prong Moon Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is SR1311 over East Prong Moon 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 May 2023.

How much traffic does SR1311 over East Prong Moon Creek carry?

About 1,100 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is SR1311 over East Prong Moon Creek?

The structure is 60 ft (18.2 m) long with a longest span of 28 ft (8.5 m) and a deck 30 ft wide.

Who owns SR1311 over East Prong Moon Creek?

It is owned by the State Highway Agency.