US Bridges

Bob Wallace over Huntsville Spg Branch

Fair

Madison County, Alabama · Hville SP Br Atbobwalace · Structure no. 008114

Built
1955
70 years old, rebuilt 1964
Condition
Fair
inspected September 2023
Type
Tee Beam
Concrete
Length
126 ft
4 main spans
Daily traffic
20,000
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

Bob Wallace over Huntsville Spg Branch is a concrete tee beam carrying Bob Wallace over Huntsville Spg Branch in Madison County, Alabama. It was built in 1955 and reconstructed in 1964, so it is 70 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 20,000 vehicles a day, roughly 1% of them trucks, projected to reach 29,000 by 2043. The structure is 126 ft (38.3 m) long and 57 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesBob Wallace
CrossesHuntsville Spg Branch
LocationHville SP Br Atbobwalace
RouteCity Street 0
CountyMadison County
StateAlabama
Coordinates34.7112, -86.5943
Functional classUrban Minor Arterial

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 alignment8: Equal to present desirable criteria
Operating rating48 US tons
Inventory rating33.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length126 ft (38.3 m)
Longest span31 ft (9.5 m)
Deck width57 ft (17.4 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,000 (2015)
Projected traffic29,000 by 2043
Trucks1%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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$2 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Bob Wallace over Huntsville Spg Branch built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1964.

What condition is Bob Wallace over Huntsville Spg Branch 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 September 2023.

How much traffic does Bob Wallace over Huntsville Spg Branch carry?

About 20,000 vehicles per day (2015 count), of which roughly 1% are trucks.

How long is Bob Wallace over Huntsville Spg Branch?

The structure is 126 ft (38.3 m) long with a longest span of 31 ft (9.5 m) and a deck 57 ft wide.

Who owns Bob Wallace over Huntsville Spg Branch?

It is owned by the City or Municipal Highway Agency.