US Bridges

Nfa 1126 (sa 3308) over Small Stream

Fair

Hamilton County, Tennessee · 5 MI West of SR 58 · Structure no. 33004388001

Built
1973
52 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete Continuous
Length
31 ft
2 main spans
Daily traffic
6,663
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1126 (sa 3308) over Small Stream is a concrete continuous culvert carrying Nfa 1126 (sa 3308) over Small Stream in Hamilton County, Tennessee. It was built in 1973, so it is 52 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 6,663 vehicles a day, roughly 4% of them trucks, projected to reach 10,661 by 2042. The structure is 31 ft (9.5 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa 1126 (sa 3308)
CrossesSmall Stream
Location5 MI West of SR 58
RouteCounty Highway 1126
CountyHamilton County
StateTennessee
Coordinates35.2037, -85.15315
Functional classUrban Minor Arterial

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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 20
Structure length31 ft (9.5 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,663 (2021)
Projected traffic10,661 by 2042
Trucks4%
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 1126 (sa 3308) over Small Stream built?

It was built in 1973, making it 52 years old in 2025.

What condition is Nfa 1126 (sa 3308) over Small Stream 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 1126 (sa 3308) over Small Stream carry?

About 6,663 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Nfa 1126 (sa 3308) over Small Stream?

The structure is 31 ft (9.5 m) long with a longest span of 10 ft (3 m).

Who owns Nfa 1126 (sa 3308) over Small Stream?

It is owned by the County Highway Agency.