US Bridges

US1 over Smith Creek

Fair

Warren County, North Carolina · 0.6 MI.N.JCT.I85 · Structure no. 000000001850031

Built
1938
87 years old
Condition
Fair
inspected September 2023
Type
Tee Beam
Concrete
Length
160 ft
4 main spans
Daily traffic
1,700
2021 count
Owner
State
State Highway Agency

About this bridge

US1 over Smith Creek is a concrete tee beam carrying US1 over Smith Creek in Warren County, North Carolina. It was built in 1938, so it is 87 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 1,700 vehicles a day, roughly 7% of them trucks, projected to reach 3,400 by 2040. The structure is 160 ft (48.7 m) long and 29 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesUS1
CrossesSmith Creek
Location0.6 MI.N.JCT.I85
RouteU.S. Route 1
CountyWarren County
StateNorth Carolina
Coordinates36.54081, -78.19518
Functional classRural Major 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating46 US tons
Inventory rating28 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length160 ft (48.7 m)
Longest span38 ft (11.5 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,700 (2021)
Projected traffic3,400 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 US1 over Smith Creek built?

It was built in 1938, making it 87 years old in 2025.

What condition is US1 over Smith 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 US1 over Smith Creek carry?

About 1,700 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is US1 over Smith Creek?

The structure is 160 ft (48.7 m) long with a longest span of 38 ft (11.5 m) and a deck 29 ft wide.

Who owns US1 over Smith Creek?

It is owned by the State Highway Agency.