US Bridges

Nfa 1722 (sa 0918) over Demoss Branch

Fair

Carroll County, Tennessee · 2 MI SW JCT SR76&SR105 · Structure no. 09017220003

Built
1985
40 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
105 ft
3 main spans
Daily traffic
361
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1722 (sa 0918) over Demoss Branch is a prestressed concrete stringer/multi-beam or girder carrying Nfa 1722 (sa 0918) over Demoss Branch in Carroll County, Tennessee. It was built in 1985, so it is 40 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 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 361 vehicles a day, roughly 3% of them trucks, projected to reach 578 by 2042. The structure is 105 ft (32 m) long and 26 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesNfa 1722 (sa 0918)
CrossesDemoss Branch
Location2 MI SW JCT SR76&SR105
RouteCounty Highway 1722
CountyCarroll County
StateTennessee
Coordinates36.00689, -88.65697
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length105 ft (32 m)
Longest span36 ft (11 m)
Deck width26 ft (7.9 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic361 (2021)
Projected traffic578 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 1722 (sa 0918) over Demoss Branch built?

It was built in 1985, making it 40 years old in 2025.

What condition is Nfa 1722 (sa 0918) over Demoss 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 July 2023.

How much traffic does Nfa 1722 (sa 0918) over Demoss Branch carry?

About 361 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1722 (sa 0918) over Demoss Branch?

The structure is 105 ft (32 m) long with a longest span of 36 ft (11 m) and a deck 26 ft wide.

Who owns Nfa 1722 (sa 0918) over Demoss Branch?

It is owned by the County Highway Agency.