US Bridges

Future SR158/US98 over Drainage Ditch

Fair

Mobile County, Alabama · 0.2 M East of Stone RD · Structure no. 020520

Built
2021
4 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete
Length
34 ft
4 main spans
Daily traffic
4,000
2022 count
Owner
State
State Highway Agency

About this bridge

Future SR158/US98 over Drainage Ditch is a concrete culvert carrying Future SR158/US98 over Drainage Ditch in Mobile County, Alabama. It was built in 2021, so it is 4 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 4,000 vehicles a day, roughly 7% of them trucks, projected to reach 6,000 by 2042. The structure is 34 ft (10.3 m) long.

Location

Open in Google Maps
CarriesFuture SR158/US98
CrossesDrainage Ditch
Location0.2 M East of Stone RD
RouteU.S. Route 98
CountyMobile County
StateAlabama
Coordinates30.80167, -88.26871
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating98 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length34 ft (10.3 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck0 ft (0 m)

Traffic and service

Average daily traffic4,000 (2022)
Projected traffic6,000 by 2042
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$2.1 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Future SR158/US98 over Drainage Ditch built?

It was built in 2021, making it 4 years old in 2025.

What condition is Future SR158/US98 over Drainage Ditch 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 March 2024.

How much traffic does Future SR158/US98 over Drainage Ditch carry?

About 4,000 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is Future SR158/US98 over Drainage Ditch?

The structure is 34 ft (10.3 m) long with a longest span of 8 ft (2.4 m).

Who owns Future SR158/US98 over Drainage Ditch?

It is owned by the State Highway Agency.