US Bridges

SR1135 over French Broad River

Poor

Transylvania County, North Carolina · .05 MI.W.JCT.US178 · Structure no. 000000001750076

Built
1957
68 years old, rebuilt 1981
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
121 ft
3 main spans
Daily traffic
350
2022 count
Owner
State
State Highway Agency

About this bridge

SR1135 over French Broad River is a steel stringer/multi-beam or girder carrying SR1135 over French Broad River in Transylvania County, North Carolina. It was built in 1957 and reconstructed in 1981, so it is 68 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.

It carries about 350 vehicles a day, roughly 7% of them trucks, projected to reach 700 by 2040. The structure is 121 ft (36.8 m) long and 18 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR1135
CrossesFrench Broad River
Location.05 MI.W.JCT.US178
RouteState Highway 1135
Coordinates35.14598, -82.82698
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, 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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.9 US tons
Inventory rating30 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans3
Design loadUnknown
Structure length121 ft (36.8 m)
Longest span40 ft (12.1 m)
Deck width18 ft (5.5 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2022)
Projected traffic700 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 SR1135 over French Broad River built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1981.

What condition is SR1135 over French Broad River 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 July 2024.

How much traffic does SR1135 over French Broad River carry?

About 350 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is SR1135 over French Broad River?

The structure is 121 ft (36.8 m) long with a longest span of 40 ft (12.1 m) and a deck 18 ft wide.

Who owns SR1135 over French Broad River?

It is owned by the State Highway Agency.