US Bridges

FAP 34 731386T over SR 34 Lf LN / Sou RR

Poor

Jefferson County, Tennessee · 1.8 M NE of Hamblen CO LN · Structure no. 45SR0340011

Built
1953
72 years old, rebuilt 1996
Condition
Poor
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
429 ft
2 main spans
Daily traffic
18,750
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 34 731386T over SR 34 Lf LN / Sou RR is a steel stringer/multi-beam or girder carrying FAP 34 731386T over SR 34 Lf LN / Sou RR in Jefferson County, Tennessee. It was built in 1953 and reconstructed in 1996, so it is 72 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 18,750 vehicles a day, roughly 9% of them trucks, projected to reach 30,000 by 2042. The structure is 429 ft (130.8 m) long and 34 ft wide. If it were closed, the detour would be 44.7 mi (72 km).

CarriesFAP 34 731386T
CrossesSR 34 Lf LN / Sou RR
Location1.8 M NE of Hamblen CO LN
RouteU.S. Route 11
Coordinates36.14017, -83.44873
Functional classUrban Other Principal Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.1 US tons
Inventory rating28.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2 (+6 approach)
Design loadHS 20
Structure length429 ft (130.8 m)
Longest span84 ft (25.6 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,750 (2021)
Projected traffic30,000 by 2042
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed44.7 mi (72 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$5.9 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAP 34 731386T over SR 34 Lf LN / Sou RR built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 1996.

What condition is FAP 34 731386T over SR 34 Lf LN / Sou RR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2023.

How much traffic does FAP 34 731386T over SR 34 Lf LN / Sou RR carry?

About 18,750 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is FAP 34 731386T over SR 34 Lf LN / Sou RR?

The structure is 429 ft (130.8 m) long with a longest span of 84 ft (25.6 m) and a deck 34 ft wide.

Who owns FAP 34 731386T over SR 34 Lf LN / Sou RR?

It is owned by the State Highway Agency.