US Bridges

Nfa 1780 (sa 9106) over Moser Branch

Fair

Wayne County, Tennessee · 3.9 MI South of SR15 · Structure no. 91017800007

Built
1983
42 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete Continuous
Length
39 ft
3 main spans
Daily traffic
113
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1780 (sa 9106) over Moser Branch is a concrete continuous culvert carrying Nfa 1780 (sa 9106) over Moser Branch in Wayne County, Tennessee. It was built in 1983, so it is 42 years old, younger 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 113 vehicles a day, roughly 4% of them trucks, projected to reach 150 by 2042. The structure is 39 ft (11.9 m) long and 25 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesNfa 1780 (sa 9106)
CrossesMoser Branch
Location3.9 MI South of SR15
RouteCounty Highway 1780
Coordinates35.23403, -87.85587
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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 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
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating53.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span12 ft (3.7 m)
Deck width25 ft (7.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic113 (2021)
Projected traffic150 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 1780 (sa 9106) over Moser Branch built?

It was built in 1983, making it 42 years old in 2025.

What condition is Nfa 1780 (sa 9106) over Moser 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 December 2024.

How much traffic does Nfa 1780 (sa 9106) over Moser Branch carry?

About 113 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Nfa 1780 (sa 9106) over Moser Branch?

The structure is 39 ft (11.9 m) long with a longest span of 12 ft (3.7 m) and a deck 25 ft wide.

Who owns Nfa 1780 (sa 9106) over Moser Branch?

It is owned by the County Highway Agency.