US Bridges

SR1156 over Ut to S.Prong Lewisfrk C

Fair

Wilkes County, North Carolina · .1 MI.S.JCT.SR1305 · Structure no. 000000001930420

Built
1961
64 years old, rebuilt 2024
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
110
2000 count
Owner
State
State Highway Agency

About this bridge

SR1156 over Ut to S.Prong Lewisfrk C is a steel stringer/multi-beam or girder carrying SR1156 over Ut to S.Prong Lewisfrk C in Wilkes County, North Carolina. It was built in 1961 and reconstructed in 2024, so it is 64 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 110 vehicles a day, roughly 6% of them trucks, projected to reach 220 by 2040. The structure is 40 ft (12.1 m) long and 19 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR1156
CrossesUt to S.Prong Lewisfrk C
Location.1 MI.S.JCT.SR1305
RouteState Highway 1156
Coordinates36.15846, -81.33746
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating71 US tons
Inventory rating43 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length40 ft (12.1 m)
Longest span39 ft (11.8 m)
Deck width19 ft (5.9 m)
Roadway width18 ft (5.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2000)
Projected traffic220 by 2040
Trucks6%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1156 over Ut to S.Prong Lewisfrk C built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2024.

What condition is SR1156 over Ut to S.Prong Lewisfrk C 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 April 2024.

How much traffic does SR1156 over Ut to S.Prong Lewisfrk C carry?

About 110 vehicles per day (2000 count), of which roughly 6% are trucks.

How long is SR1156 over Ut to S.Prong Lewisfrk C?

The structure is 40 ft (12.1 m) long with a longest span of 39 ft (11.8 m) and a deck 19 ft wide.

Who owns SR1156 over Ut to S.Prong Lewisfrk C?

It is owned by the State Highway Agency.