US Bridges

Nuclear Plant RD over Round Island CR

FairPosted for load

Limestone County, Alabama · 5.5 MI West of US 31 · Structure no. 004595

Built
1953
72 years old
Condition
Fair
inspected January 2025
Type
Tee Beam
Concrete
Length
252 ft
7 main spans
Daily traffic
1,453
2006 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nuclear Plant RD over Round Island CR is a concrete tee beam carrying Nuclear Plant RD over Round Island CR in Limestone County, Alabama. It was built in 1953, so it is 72 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. Its operating status is: posted for load restriction.

It carries about 1,453 vehicles a day, roughly 1% of them trucks, projected to reach 2,470 by 2033. The structure is 252 ft (76.8 m) long and 23 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNuclear Plant RD
CrossesRound Island CR
Location5.5 MI West of US 31
RouteCity Street 0
StateAlabama
Coordinates34.71405, -87.05215
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
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusPosted for load 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 adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating40.2 US tons
Inventory rating24.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadH 15
Structure length252 ft (76.8 m)
Longest span36 ft (11 m)
Deck width23 ft (7.1 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,453 (2006)
Projected traffic2,470 by 2033
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.5 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nuclear Plant RD over Round Island CR built?

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

What condition is Nuclear Plant RD over Round Island CR 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 January 2025.

How much traffic does Nuclear Plant RD over Round Island CR carry?

About 1,453 vehicles per day (2006 count), of which roughly 1% are trucks.

How long is Nuclear Plant RD over Round Island CR?

The structure is 252 ft (76.8 m) long with a longest span of 36 ft (11 m) and a deck 23 ft wide.

Who owns Nuclear Plant RD over Round Island CR?

It is owned by the City or Municipal Highway Agency.