US Bridges

SR1129 over French Broad River

Good

Transylvania County, North Carolina · .1 MI.N.JCT.SR1203 · Structure no. 000000001750082

Built
1998
27 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
160 ft
3 main spans
Daily traffic
120
1995 count
Owner
State
State Highway Agency

About this bridge

SR1129 over French Broad River is a prestressed concrete stringer/multi-beam or girder carrying SR1129 over French Broad River in Transylvania County, North Carolina. It was built in 1998, so it is 27 years old, younger than the North Carolina average of 38.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 120 vehicles a day, roughly 7% of them trucks, projected to reach 240 by 2040. The structure is 160 ft (48.7 m) long and 33 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesSR1129
CrossesFrench Broad River
Location.1 MI.N.JCT.SR1203
RouteState Highway 1129
Coordinates35.14885, -82.79922
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20 + Mod
Structure length160 ft (48.7 m)
Longest span51 ft (15.5 m)
Deck width33 ft (10 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (1995)
Projected traffic240 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 SR1129 over French Broad River built?

It was built in 1998, making it 27 years old in 2025.

What condition is SR1129 over French Broad River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does SR1129 over French Broad River carry?

About 120 vehicles per day (1995 count), of which roughly 7% are trucks.

How long is SR1129 over French Broad River?

The structure is 160 ft (48.7 m) long with a longest span of 51 ft (15.5 m) and a deck 33 ft wide.

Who owns SR1129 over French Broad River?

It is owned by the State Highway Agency.