US Bridges

Nfa 1427 (sa 1002) over Tiger Creek

Fair

Carter County, Tennessee · S of SR37-E of SR 137 JCT · Structure no. 10026050007

Built
1962
63 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete Continuous
Length
34 ft
3 main spans
Daily traffic
638
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1427 (sa 1002) over Tiger Creek is a concrete continuous culvert carrying Nfa 1427 (sa 1002) over Tiger Creek in Carter County, Tennessee. It was built in 1962, so it is 63 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 638 vehicles a day, roughly 3% of them trucks, projected to reach 986 by 2041. The structure is 34 ft (10.4 m) long. If it were closed, the detour would be 14.9 mi (24 km).

Location

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CarriesNfa 1427 (sa 1002)
CrossesTiger Creek
LocationS of SR37-E of SR 137 JCT
RouteCounty Highway 1427
CountyCarter County
StateTennessee
Coordinates36.20967, -82.18298
Functional classRural Minor 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span12 ft (3.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic638 (2021)
Projected traffic986 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1427 (sa 1002) over Tiger Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is Nfa 1427 (sa 1002) over Tiger 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 July 2023.

How much traffic does Nfa 1427 (sa 1002) over Tiger Creek carry?

About 638 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1427 (sa 1002) over Tiger Creek?

The structure is 34 ft (10.4 m) long with a longest span of 12 ft (3.8 m).

Who owns Nfa 1427 (sa 1002) over Tiger Creek?

It is owned by the County Highway Agency.