US Bridges

Nfa 1133 (sa 3103) over Scott Creek

Fair

Grundy County, Tennessee · Near Coalmont · Structure no. 31F00090001

Built
1950
75 years old
Condition
Fair
inspected May 2024
Type
Culvert
Steel
Length
46 ft
2 main spans
Daily traffic
369
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1133 (sa 3103) over Scott Creek is a steel culvert carrying Nfa 1133 (sa 3103) over Scott Creek in Grundy 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 369 vehicles a day, roughly 3% of them trucks, projected to reach 768 by 2040. The structure is 46 ft (13.9 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa 1133 (sa 3103)
CrossesScott Creek
LocationNear Coalmont
RouteCity Street 1133
Coordinates35.30491, -85.7128
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 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 alignment6: Equal to present minimum criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length46 ft (13.9 m)
Longest span21 ft (6.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic369 (2021)
Projected traffic768 by 2040
Trucks3%
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 1133 (sa 3103) over Scott Creek built?

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

What condition is Nfa 1133 (sa 3103) over Scott 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 May 2024.

How much traffic does Nfa 1133 (sa 3103) over Scott Creek carry?

About 369 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1133 (sa 3103) over Scott Creek?

The structure is 46 ft (13.9 m) long with a longest span of 21 ft (6.4 m).

Who owns Nfa 1133 (sa 3103) over Scott Creek?

It is owned by the County Highway Agency.