US Bridges

Road 1931 over Arnott Branch

Good

Hawkins County, Tennessee · Entrance to Acid Plant · Structure no. DAPAMCHOL000013

Built
1970
55 years old, rebuilt 2015
Condition
Good
inspected July 2024
Type
Slab
Concrete
Length
35 ft
1 main span
Daily traffic
50
2016 count
Owner
Federal
Army

About this bridge

Road 1931 over Arnott Branch is a concrete slab carrying Road 1931 over Arnott Branch in Hawkins County, Tennessee. It was built in 1970 and reconstructed in 2015, so it is 55 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 75 by 2046. The structure is 35 ft (10.7 m) long and 25 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoad 1931
CrossesArnott Branch
LocationEntrance to Acid Plant
Coordinates36.53433, -82.64872
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating46.7 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span34 ft (10.3 m)
Deck width25 ft (7.7 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2016)
Projected traffic75 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerArmy
Maintained byArmy
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$14,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Road 1931 over Arnott Branch built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2015.

What condition is Road 1931 over Arnott Branch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does Road 1931 over Arnott Branch carry?

About 50 vehicles per day (2016 count), of which roughly 10% are trucks.

How long is Road 1931 over Arnott Branch?

The structure is 35 ft (10.7 m) long with a longest span of 34 ft (10.3 m) and a deck 25 ft wide.

Who owns Road 1931 over Arnott Branch?

It is owned by the Army.