US Bridges

Lbl Road 100 over Brandon Spring Branch

Good

Stewart County, Tennessee · Lbl · Structure no. 086000000003026

Built
1984
41 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
85 ft
1 main span
Daily traffic
1,000
1994 count
Owner
Federal
U.S. Forest Service

About this bridge

Lbl Road 100 over Brandon Spring Branch is a prestressed concrete box beam or girders - multiple carrying Lbl Road 100 over Brandon Spring Branch in Stewart County, Tennessee. It was built in 1984, so it is 41 years old, younger 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 1,000 vehicles a day, roughly 5% of them trucks, projected to reach 1,500 by 2045. The structure is 85 ft (26 m) long and 34 ft wide. If it were closed, the detour would be 28.6 mi (46 km).

CarriesLbl Road 100
CrossesBrandon Spring Branch
LocationLbl
RouteFederal Lands Road 100
Coordinates36.5502, -87.93033
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.1 US tons
Inventory rating44.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length85 ft (26 m)
Longest span24 ft (7.4 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (1994)
Projected traffic1,500 by 2045
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28.6 mi (46 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lbl Road 100 over Brandon Spring Branch built?

It was built in 1984, making it 41 years old in 2025.

What condition is Lbl Road 100 over Brandon Spring 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 August 2023.

How much traffic does Lbl Road 100 over Brandon Spring Branch carry?

About 1,000 vehicles per day (1994 count), of which roughly 5% are trucks.

How long is Lbl Road 100 over Brandon Spring Branch?

The structure is 85 ft (26 m) long with a longest span of 24 ft (7.4 m) and a deck 34 ft wide.

Who owns Lbl Road 100 over Brandon Spring Branch?

It is owned by the U.S. Forest Service.