US Bridges

FAU 3634 over Big Soddy Creek

FairPosted for load

Hamilton County, Tennessee · North of Soddy · Structure no. 33SR0290027

Built
1932
93 years old
Condition
Fair
inspected January 2025
Type
Tee Beam
Concrete
Length
86 ft
3 main spans
Daily traffic
1,684
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 3634 over Big Soddy Creek is a concrete tee beam carrying FAU 3634 over Big Soddy Creek in Hamilton County, Tennessee. It was built in 1932, so it is 93 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 1,684 vehicles a day, roughly 4% of them trucks, projected to reach 2,080 by 2042. The structure is 86 ft (26.1 m) long and 27 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

Location

Open in Google Maps
CarriesFAU 3634
CrossesBig Soddy Creek
LocationNorth of Soddy
RouteCity Street 3634
CountyHamilton County
StateTennessee
Coordinates35.29638, -85.14937
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.5 US tons
Inventory rating28.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length86 ft (26.1 m)
Longest span29 ft (8.7 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,684 (2021)
Projected traffic2,080 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed12.4 mi (20 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$290,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU 3634 over Big Soddy Creek built?

It was built in 1932, making it 93 years old in 2025.

What condition is FAU 3634 over Big Soddy Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2025.

How much traffic does FAU 3634 over Big Soddy Creek carry?

About 1,684 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is FAU 3634 over Big Soddy Creek?

The structure is 86 ft (26.1 m) long with a longest span of 29 ft (8.7 m) and a deck 27 ft wide.

Who owns FAU 3634 over Big Soddy Creek?

It is owned by the City or Municipal Highway Agency.