US Bridges

FAU 4133 over North Chickamauga Creek

Good

Hamilton County, Tennessee · 9.2 MI SW of SR153 · Structure no. 330C8480001

Built
1940
85 years old, rebuilt 1991
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
260 ft
3 main spans
Daily traffic
8,020
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 4133 over North Chickamauga Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying FAU 4133 over North Chickamauga Creek in Hamilton County, Tennessee. It was built in 1940 and reconstructed in 1991, so it is 85 years old, older than the Tennessee average of 47.4 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 8,020 vehicles a day, roughly 4% of them trucks, projected to reach 14,998 by 2042. The structure is 260 ft (79.1 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesFAU 4133
CrossesNorth Chickamauga Creek
Location9.2 MI SW of SR153
RouteCity Street 4133
Coordinates35.12952, -85.21584
Functional classUrban Minor Arterial

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 inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.5 US tons
Inventory rating39.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length260 ft (79.1 m)
Longest span89 ft (27.1 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,020 (2021)
Projected traffic14,998 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1.2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU 4133 over North Chickamauga Creek built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1991.

What condition is FAU 4133 over North Chickamauga Creek 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 January 2025.

How much traffic does FAU 4133 over North Chickamauga Creek carry?

About 8,020 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is FAU 4133 over North Chickamauga Creek?

The structure is 260 ft (79.1 m) long with a longest span of 89 ft (27.1 m) and a deck 32 ft wide.

Who owns FAU 4133 over North Chickamauga Creek?

It is owned by the City or Municipal Highway Agency.