US Bridges

Nfa 1149 (sa 3317) over Soddy Creek

Fair

Hamilton County, Tennessee · 1 MI East of US 27 · Structure no. 33F00250001

Built
1938
87 years old, rebuilt 1995
Condition
Fair
inspected January 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
336 ft
4 main spans
Daily traffic
1,150
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1149 (sa 3317) over Soddy Creek is a prestressed concrete continuous box beam or girders - single or spread carrying Nfa 1149 (sa 3317) over Soddy Creek in Hamilton County, Tennessee. It was built in 1938 and reconstructed in 1995, so it is 87 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 1,150 vehicles a day, roughly 3% of them trucks, projected to reach 1,840 by 2042. The structure is 336 ft (102.4 m) long and 30 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

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CarriesNfa 1149 (sa 3317)
CrossesSoddy Creek
Location1 MI East of US 27
RouteCounty Highway 1149
CountyHamilton County
StateTennessee
Coordinates35.2696, -85.12338
Functional classUrban Collector

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 protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length336 ft (102.4 m)
Longest span89 ft (27.1 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,150 (2021)
Projected traffic1,840 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Nfa 1149 (sa 3317) over Soddy Creek built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1995.

What condition is Nfa 1149 (sa 3317) over 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 2024.

How much traffic does Nfa 1149 (sa 3317) over Soddy Creek carry?

About 1,150 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1149 (sa 3317) over Soddy Creek?

The structure is 336 ft (102.4 m) long with a longest span of 89 ft (27.1 m) and a deck 30 ft wide.

Who owns Nfa 1149 (sa 3317) over Soddy Creek?

It is owned by the County Highway Agency.