US Bridges

Viaduct RD over Branch Frm Reservior

Fair

Mobile County, Alabama · 0.7 MI E US 43 · Structure no. 016590

Built
1996
29 years old, rebuilt 2011
Condition
Fair
inspected September 2023
Type
Channel Beam
Concrete
Length
24 ft
1 main span
Daily traffic
707
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Viaduct RD over Branch Frm Reservior is a concrete channel beam carrying Viaduct RD over Branch Frm Reservior in Mobile County, Alabama. It was built in 1996 and reconstructed in 2011, so it is 29 years old, younger 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 707 vehicles a day, roughly 33% of them trucks, projected to reach 1,061 by 2043. The structure is 24 ft (7.3 m) long and 42 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

Location

Open in Google Maps
CarriesViaduct RD
CrossesBranch Frm Reservior
Location0.7 MI E US 43
RouteCity Street 0
CountyMobile County
StateAlabama
Coordinates30.764, -88.0638
Functional classUrban Local

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 protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.1 US tons
Inventory rating40.3 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width42 ft (12.9 m)
Roadway width42 ft (12.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic707 (2023)
Projected traffic1,061 by 2043
Trucks33%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.2 mi (158 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$436,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Viaduct RD over Branch Frm Reservior built?

It was built in 1996, making it 29 years old in 2025. It was reconstructed in 2011.

What condition is Viaduct RD over Branch Frm Reservior 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 Viaduct RD over Branch Frm Reservior carry?

About 707 vehicles per day (2023 count), of which roughly 33% are trucks.

How long is Viaduct RD over Branch Frm Reservior?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m) and a deck 42 ft wide.

Who owns Viaduct RD over Branch Frm Reservior?

It is owned by the City or Municipal Highway Agency.