US Bridges

I75 Sbl over Mouse Creek

Fair

McMinn County, Tennessee · 2.6 Mi.From Bradley Co. · Structure no. 54I00750004

Built
1971
54 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
210 ft
3 main spans
Daily traffic
47,306
2021 count
Owner
State
State Highway Agency

About this bridge

I75 Sbl over Mouse Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying I75 Sbl over Mouse Creek in McMinn 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 6 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 47,306 vehicles a day, roughly 7% of them trucks, projected to reach 75,690 by 2042. The structure is 210 ft (64 m) long and 44 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI75 Sbl
CrossesMouse Creek
Location2.6 Mi.From Bradley Co.
RouteInterstate 75
Coordinates35.33301, -84.75741
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.5 US tons
Inventory rating26.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length210 ft (64 m)
Longest span70 ft (21.3 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47,306 (2021)
Projected traffic75,690 by 2042
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I75 Sbl over Mouse Creek built?

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

What condition is I75 Sbl over Mouse Creek 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 April 2024.

How much traffic does I75 Sbl over Mouse Creek carry?

About 47,306 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is I75 Sbl over Mouse Creek?

The structure is 210 ft (64 m) long with a longest span of 70 ft (21.3 m) and a deck 44 ft wide.

Who owns I75 Sbl over Mouse Creek?

It is owned by the State Highway Agency.