US Bridges

SR1538 over Big Creek

PoorPosted for load

Macon County, North Carolina · .2 MI.N.JCT.SR1540 · Structure no. 000000001130061

Built
1971
54 years old
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
37 ft
1 main span
Daily traffic
1,600
2022 count
Owner
State
State Highway Agency

About this bridge

SR1538 over Big Creek is a steel stringer/multi-beam or girder carrying SR1538 over Big Creek in Macon County, North Carolina. It was built in 1971, so it is 54 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 1,600 vehicles a day, roughly 6% of them trucks, projected to reach 3,200 by 2040. The structure is 37 ft (11.2 m) long and 25 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

CarriesSR1538
CrossesBig Creek
Location.2 MI.N.JCT.SR1540
RouteState Highway 1538
Coordinates35.09183, -83.19632
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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42 US tons
Inventory rating24.9 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length37 ft (11.2 m)
Longest span34 ft (10.3 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2022)
Projected traffic3,200 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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 SR1538 over Big Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is SR1538 over Big 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 September 2024.

How much traffic does SR1538 over Big Creek carry?

About 1,600 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SR1538 over Big Creek?

The structure is 37 ft (11.2 m) long with a longest span of 34 ft (10.3 m) and a deck 25 ft wide.

Who owns SR1538 over Big Creek?

It is owned by the State Highway Agency.