US Bridges

Nfa 2173 (sa 8902) over Todd Branch

Fair

Warren County, Tennessee · 5 MI S of SR55 · Structure no. 89021730005

Built
1963
62 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
1,618
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 2173 (sa 8902) over Todd Branch is a concrete continuous culvert carrying Nfa 2173 (sa 8902) over Todd Branch in Warren County, Tennessee. It was built in 1963, so it is 62 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 1,618 vehicles a day, roughly 1% of them trucks, projected to reach 2,589 by 2042. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesNfa 2173 (sa 8902)
CrossesTodd Branch
Location5 MI S of SR55
RouteCounty Highway 2173
CountyWarren County
StateTennessee
Coordinates35.63064, -85.84195
Functional classUrban 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 inspectionMay 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 spans2
Design loadH 15
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,618 (2021)
Projected traffic2,589 by 2042
Trucks1%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 2173 (sa 8902) over Todd Branch built?

It was built in 1963, making it 62 years old in 2025.

What condition is Nfa 2173 (sa 8902) over Todd Branch 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 2023.

How much traffic does Nfa 2173 (sa 8902) over Todd Branch carry?

About 1,618 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Nfa 2173 (sa 8902) over Todd Branch?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).

Who owns Nfa 2173 (sa 8902) over Todd Branch?

It is owned by the County Highway Agency.