US Bridges

FAU 3609 over Spring Creek

Fair

Hamilton County, Tennessee · 0.1 MI S of I-24 Jct. · Structure no. 33M36090001

Built
1959
66 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
86 ft
3 main spans
Daily traffic
11,454
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 3609 over Spring Creek is a prestressed concrete box beam or girders - multiple carrying FAU 3609 over Spring Creek in Hamilton County, Tennessee. It was built in 1959, so it is 66 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.

It carries about 11,454 vehicles a day, roughly 4% of them trucks, projected to reach 18,326 by 2042. The structure is 86 ft (26.1 m) long and 74 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesFAU 3609
CrossesSpring Creek
Location0.1 MI S of I-24 Jct.
RouteCity Street 3609
CountyHamilton County
StateTennessee
Coordinates35.00288, -85.2191
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckOther
Main spans3
Design loadHS 20
Structure length86 ft (26.1 m)
Longest span27 ft (8.1 m)
Deck width74 ft (22.7 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,454 (2021)
Projected traffic18,326 by 2042
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$136,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU 3609 over Spring Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is FAU 3609 over Spring 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 June 2023.

How much traffic does FAU 3609 over Spring Creek carry?

About 11,454 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is FAU 3609 over Spring Creek?

The structure is 86 ft (26.1 m) long with a longest span of 27 ft (8.1 m) and a deck 74 ft wide.

Who owns FAU 3609 over Spring Creek?

It is owned by the City or Municipal Highway Agency.