US Bridges

I-10 WB * EB over Navco RD

Fair

Mobile County, Alabama · 1 MI W SR 163 · Structure no. 014741

Built
1964
61 years old, rebuilt 1988
Condition
Fair
inspected February 2024
Type
Tee Beam
Concrete
Length
155 ft
3 main spans
Daily traffic
85,952
2022 count
Owner
State
State Highway Agency

About this bridge

I-10 WB * EB over Navco RD is a concrete tee beam carrying I-10 WB * EB over Navco RD in Mobile County, Alabama. It was built in 1964 and reconstructed in 1988, so it is 61 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 85,952 vehicles a day, roughly 12% of them trucks, projected to reach 128,928 by 2042. The structure is 155 ft (47.2 m) long and 150 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-10 WB * EB
CrossesNavco RD
Location1 MI W SR 163
RouteInterstate 10
CountyMobile County
StateAlabama
Coordinates30.63207, -88.10538
Functional classUrban Principal Arterial - Interstate

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.1 US tons
Inventory rating37.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length155 ft (47.2 m)
Longest span56 ft (17.1 m)
Deck width150 ft (45.7 m)
Roadway width145 ft (44.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic85,952 (2022)
Projected traffic128,928 by 2042
Trucks12%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$6.5 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-10 WB * EB over Navco RD built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1988.

What condition is I-10 WB * EB over Navco RD 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 February 2024.

How much traffic does I-10 WB * EB over Navco RD carry?

About 85,952 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is I-10 WB * EB over Navco RD?

The structure is 155 ft (47.2 m) long with a longest span of 56 ft (17.1 m) and a deck 150 ft wide.

Who owns I-10 WB * EB over Navco RD?

It is owned by the State Highway Agency.