US Bridges

Nfa 1138 (sa 5308) over Steekee Creek

Fair

Loudon County, Tennessee · 1.8 M. S. Loudon. · Structure no. 53S24300003

Built
1950
75 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete Continuous
Length
31 ft
2 main spans
Daily traffic
3,569
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1138 (sa 5308) over Steekee Creek is a concrete continuous culvert carrying Nfa 1138 (sa 5308) over Steekee Creek in Loudon County, Tennessee. It was built in 1950, so it is 75 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 3,569 vehicles a day, roughly 5% of them trucks, projected to reach 5,710 by 2042. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesNfa 1138 (sa 5308)
CrossesSteekee Creek
Location1.8 M. S. Loudon.
RouteCounty Highway 1138
CountyLoudon County
StateTennessee
Coordinates35.71155, -84.34558
Functional classRural Major 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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,569 (2021)
Projected traffic5,710 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 1138 (sa 5308) over Steekee Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is Nfa 1138 (sa 5308) over Steekee 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 1138 (sa 5308) over Steekee Creek carry?

About 3,569 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Nfa 1138 (sa 5308) over Steekee Creek?

The structure is 31 ft (9.4 m) long with a longest span of 14 ft (4.3 m).

Who owns Nfa 1138 (sa 5308) over Steekee Creek?

It is owned by the County Highway Agency.