US Bridges

SR 79 over Stream

Fair

Marshall County, Alabama · 9.9 MI N JCT US431 * SR79 · Structure no. 001487

Built
1936
89 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete
Length
21 ft
2 main spans
Daily traffic
4,637
2023 count
Owner
State
State Highway Agency

About this bridge

SR 79 over Stream is a concrete slab carrying SR 79 over Stream in Marshall County, Alabama. It was built in 1936, so it is 89 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 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 4,637 vehicles a day, roughly 13% of them trucks, projected to reach 6,492 by 2043. The structure is 21 ft (6.4 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSR 79
CrossesStream
Location9.9 MI N JCT US431 * SR79
RouteState Highway 79
CountyMarshall County
StateAlabama
Coordinates34.53538, -86.16115
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating26 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width40 ft (12.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,637 (2023)
Projected traffic6,492 by 2043
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$381,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 79 over Stream built?

It was built in 1936, making it 89 years old in 2025.

What condition is SR 79 over Stream 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 December 2024.

How much traffic does SR 79 over Stream carry?

About 4,637 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is SR 79 over Stream?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 40 ft wide.

Who owns SR 79 over Stream?

It is owned by the State Highway Agency.