US Bridges

I81 over Nfa B207-LOWLAND RD

Fair

Hamblen County, Tennessee · 4.16M.FROM Jefferson Co.L · Structure no. 32I00810014

Built
1971
54 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
176 ft
3 main spans
Daily traffic
32,367
2021 count
Owner
State
State Highway Agency

About this bridge

I81 over Nfa B207-LOWLAND RD is a prestressed concrete continuous stringer/multi-beam or girder carrying I81 over Nfa B207-LOWLAND RD in Hamblen County, Tennessee. It was built in 1971, so it is 54 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 32,367 vehicles a day, roughly 6% of them trucks, projected to reach 54,576 by 2040. The structure is 176 ft (53.6 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI81
CrossesNfa B207-LOWLAND RD
Location4.16M.FROM Jefferson Co.L
RouteInterstate 81
CountyHamblen County
StateTennessee
Coordinates36.16552, -83.22293
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length176 ft (53.6 m)
Longest span64 ft (19.4 m)
Deck width50 ft (15.2 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,367 (2021)
Projected traffic54,576 by 2040
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$161,000 (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I81 over Nfa B207-LOWLAND RD built?

It was built in 1971, making it 54 years old in 2025.

What condition is I81 over Nfa B207-LOWLAND RD 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 March 2024.

How much traffic does I81 over Nfa B207-LOWLAND RD carry?

About 32,367 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is I81 over Nfa B207-LOWLAND RD?

The structure is 176 ft (53.6 m) long with a longest span of 64 ft (19.4 m) and a deck 50 ft wide.

Who owns I81 over Nfa B207-LOWLAND RD?

It is owned by the State Highway Agency.