US Bridges

Nfa A077 over Spring Creek

Fair

Marshall County, Tennessee · 2 MI NE JCT SR11&SR270 · Structure no. 590A0770001

Built
1938
87 years old, rebuilt 1974
Condition
Fair
inspected August 2024
Type
Culvert
Concrete Continuous
Length
66 ft
3 main spans
Daily traffic
200
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A077 over Spring Creek is a concrete continuous culvert carrying Nfa A077 over Spring Creek in Marshall County, Tennessee. It was built in 1938 and reconstructed in 1974, 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 5 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 200 vehicles a day, roughly 4% of them trucks, projected to reach 320 by 2041. The structure is 66 ft (20.2 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesNfa A077
CrossesSpring Creek
Location2 MI NE JCT SR11&SR270
RouteCounty Highway 77
CountyMarshall County
StateTennessee
Coordinates35.62473, -86.68125
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating45.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length66 ft (20.2 m)
Longest span20 ft (6.1 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2020)
Projected traffic320 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$247,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A077 over Spring Creek built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1974.

What condition is Nfa A077 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 August 2024.

How much traffic does Nfa A077 over Spring Creek carry?

About 200 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Nfa A077 over Spring Creek?

The structure is 66 ft (20.2 m) long with a longest span of 20 ft (6.1 m) and a deck 20 ft wide.

Who owns Nfa A077 over Spring Creek?

It is owned by the County Highway Agency.