US Bridges

SR1311 over Big Tuni Creek

PoorPosted for load

Clay County, North Carolina · .4 MI.N.JCT.SR1307 · Structure no. 000000000430081

Built
1964
61 years old
Condition
Poor
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
41 ft
2 main spans
Daily traffic
20
2000 count
Owner
State
State Highway Agency

About this bridge

SR1311 over Big Tuni Creek is a steel continuous stringer/multi-beam or girder carrying SR1311 over Big Tuni Creek in Clay County, North Carolina. It was built in 1964, so it is 61 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 20 vehicles a day, projected to reach 40 by 2040. The structure is 41 ft (12.4 m) long and 21 ft wide. If it were closed, the detour would be 13.7 mi (22 km).

CarriesSR1311
CrossesBig Tuni Creek
Location.4 MI.N.JCT.SR1307
RouteState Highway 1311
Coordinates35.09619, -83.70666
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating20.9 US tons
Inventory rating11.9 US tons

Structure

MaterialSteel Continuous
DeckWood or timber
Main spans2
Design loadUnknown
Structure length41 ft (12.4 m)
Longest span25 ft (7.6 m)
Deck width21 ft (6.3 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2000)
Projected traffic40 by 2040
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13.7 mi (22 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1311 over Big Tuni Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is SR1311 over Big Tuni Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does SR1311 over Big Tuni Creek carry?

About 20 vehicles per day (2000 count).

How long is SR1311 over Big Tuni Creek?

The structure is 41 ft (12.4 m) long with a longest span of 25 ft (7.6 m) and a deck 21 ft wide.

Who owns SR1311 over Big Tuni Creek?

It is owned by the State Highway Agency.