US Bridges

SR1308 over Mud Creek

Good

Durham County, North Carolina · 0.25 MI S JCT SR1306 · Structure no. 000000000630117

Built
2019
6 years old
Condition
Good
inspected March 2023
Type
Slab
Prestressed Concrete
Length
72 ft
1 main span
Daily traffic
3,700
2019 count
Owner
State
State Highway Agency

About this bridge

SR1308 over Mud Creek is a prestressed concrete slab carrying SR1308 over Mud Creek in Durham County, North Carolina. It was built in 2019, so it is 6 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,700 vehicles a day, roughly 7% of them trucks, projected to reach 7,400 by 2040. The structure is 72 ft (21.9 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR1308
CrossesMud Creek
Location0.25 MI S JCT SR1306
RouteState Highway 1308
Coordinates35.99256, -78.97233
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 rating61.9 US tons
Inventory rating46 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length72 ft (21.9 m)
Longest span69 ft (21 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (10.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,700 (2019)
Projected traffic7,400 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was SR1308 over Mud Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is SR1308 over Mud 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 March 2023.

How much traffic does SR1308 over Mud Creek carry?

About 3,700 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is SR1308 over Mud Creek?

The structure is 72 ft (21.9 m) long with a longest span of 69 ft (21 m) and a deck 39 ft wide.

Who owns SR1308 over Mud Creek?

It is owned by the State Highway Agency.