US Bridges

Nfa 1311 over Branch

Fair

Hamblen County, Tennessee · In Morristown · Structure no. 32FA0620005

Built
1975
50 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
13,545
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa 1311 over Branch is a concrete continuous culvert carrying Nfa 1311 over Branch in Hamblen County, Tennessee. It was built in 1975, so it is 50 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 13,545 vehicles a day, roughly 9% of them trucks, projected to reach 24,160 by 2039. The structure is 24 ft (7.4 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNfa 1311
CrossesBranch
LocationIn Morristown
RouteCity Street 1311
CountyHamblen County
StateTennessee
Coordinates36.23651, -83.23562
Functional classUrban Other Principal 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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length24 ft (7.4 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 traffic13,545 (2021)
Projected traffic24,160 by 2039
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$353,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1311 over Branch built?

It was built in 1975, making it 50 years old in 2025.

What condition is Nfa 1311 over 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 September 2023.

How much traffic does Nfa 1311 over Branch carry?

About 13,545 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is Nfa 1311 over Branch?

The structure is 24 ft (7.4 m) long with a longest span of 10 ft (3 m).

Who owns Nfa 1311 over Branch?

It is owned by the City or Municipal Highway Agency.