US Bridges

SR 233 over Cumberland SP Discharge

Fair

Stewart County, Tennessee · Cumberland Steam Plant · Structure no. 81S61140003

Built
1970
55 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
350 ft
4 main spans
Daily traffic
3,561
2021 count
Owner
Federal
Tennessee Valley Authority

About this bridge

SR 233 over Cumberland SP Discharge is a prestressed concrete stringer/multi-beam or girder carrying SR 233 over Cumberland SP Discharge in Stewart County, Tennessee. It was built in 1970, so it is 55 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 3,561 vehicles a day, roughly 5% of them trucks, projected to reach 4,500 by 2041. The structure is 350 ft (106.7 m) long and 34 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

Location

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CarriesSR 233
CrossesCumberland SP Discharge
LocationCumberland Steam Plant
RouteState Highway 233
CountyStewart County
StateTennessee
Coordinates36.39556, -87.65833
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.8 US tons
Inventory rating41.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length350 ft (106.7 m)
Longest span87 ft (26.5 m)
Deck width34 ft (10.5 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,561 (2021)
Projected traffic4,500 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTennessee Valley Authority
Maintained byTennessee Valley Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 233 over Cumberland SP Discharge built?

It was built in 1970, making it 55 years old in 2025.

What condition is SR 233 over Cumberland SP Discharge 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 October 2024.

How much traffic does SR 233 over Cumberland SP Discharge carry?

About 3,561 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is SR 233 over Cumberland SP Discharge?

The structure is 350 ft (106.7 m) long with a longest span of 87 ft (26.5 m) and a deck 34 ft wide.

Who owns SR 233 over Cumberland SP Discharge?

It is owned by the Tennessee Valley Authority.