US Bridges

US70W NC50N over Crabtree Creek

Fair

Wake County, North Carolina · 0.2 Mi. W. Jct. US1 · Structure no. 000000001830091

Built
1952
73 years old
Condition
Fair
inspected September 2023
Type
Tee Beam
Concrete
Length
209 ft
4 main spans
Daily traffic
36,250
2021 count
Owner
State
State Highway Agency

About this bridge

US70W NC50N over Crabtree Creek is a concrete tee beam carrying US70W NC50N over Crabtree Creek in Wake County, North Carolina. It was built in 1952, so it is 73 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. Its operating status is: open, would be posted or closed except for temporary shoring.

It carries about 36,250 vehicles a day, roughly 12% of them trucks, projected to reach 72,500 by 2040. The structure is 209 ft (63.7 m) long and 80 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS70W NC50N
CrossesCrabtree Creek
Location0.2 Mi. W. Jct. US1
RouteU.S. Route 70
Coordinates35.83817, -78.67359
Functional classUrban Other Principal Arterial

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, would be posted or closed except for temporary shoring
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating35.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length209 ft (63.7 m)
Longest span53 ft (16.1 m)
Deck width80 ft (24.5 m)
Roadway width73 ft (22.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,250 (2021)
Projected traffic72,500 by 2040
Trucks12%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

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 US70W NC50N over Crabtree Creek built?

It was built in 1952, making it 73 years old in 2025.

What condition is US70W NC50N over Crabtree 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 September 2023.

How much traffic does US70W NC50N over Crabtree Creek carry?

About 36,250 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is US70W NC50N over Crabtree Creek?

The structure is 209 ft (63.7 m) long with a longest span of 53 ft (16.1 m) and a deck 80 ft wide.

Who owns US70W NC50N over Crabtree Creek?

It is owned by the State Highway Agency.