US Bridges

Res RD over Tennessee River

Fair

Colbert County, Alabama · On Wilson Dam · Structure no. 000001331700710

Built
1924
101 years old, rebuilt 1958
Condition
Fair
inspected July 2024
Type
Girder and Floorbeam System
Steel Continuous
Length
4,962 ft
8 main spans
Daily traffic
2,841
2021 count
Owner
Federal
Tennessee Valley Authority

About this bridge

Res RD over Tennessee River is a steel continuous girder and floorbeam system carrying Res RD over Tennessee River in Colbert County, Alabama. It was built in 1924 and reconstructed in 1958, so it is 101 years old, older than the Alabama average of 51.1 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 2,841 vehicles a day, roughly 8% of them trucks, projected to reach 3,000 by 2041. The structure is 4,962 ft (1,512.4 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesRes RD
CrossesTennessee River
LocationOn Wilson Dam
RouteFederal Lands Road 0
CountyColbert County
StateAlabama
Coordinates34.80667, -87.62778
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating64.4 US tons
Inventory rating38.6 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans8 (+78 approach)
Design loadH 20
Structure length4,962 ft (1,512.4 m)
Longest span154 ft (46.9 m)
Deck width27 ft (8.3 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,841 (2021)
Projected traffic3,000 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and waterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTennessee Valley Authority
Maintained byTennessee Valley Authority
Historic statusListed on the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$45 million
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Res RD over Tennessee River built?

It was built in 1924, making it 101 years old in 2025. It was reconstructed in 1958.

What condition is Res RD over Tennessee River 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 July 2024.

How much traffic does Res RD over Tennessee River carry?

About 2,841 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Res RD over Tennessee River?

The structure is 4,962 ft (1,512.4 m) long with a longest span of 154 ft (46.9 m) and a deck 27 ft wide.

Who owns Res RD over Tennessee River?

It is owned by the Tennessee Valley Authority.