US Bridges

SR 193 NB over I-10

Fair

Mobile County, Alabama · Tillmans Corner · Structure no. 012229

Built
1979
46 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
398 ft
4 main spans
Daily traffic
12,851
2023 count
Owner
State
State Highway Agency

About this bridge

SR 193 NB over I-10 is a steel continuous stringer/multi-beam or girder carrying SR 193 NB over I-10 in Mobile County, Alabama. It was built in 1979, so it is 46 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 12,851 vehicles a day, roughly 5% of them trucks, projected to reach 19,277 by 2043. The structure is 398 ft (121.3 m) long and 55 ft wide.

Location

Open in Google Maps
CarriesSR 193 NB
CrossesI-10
LocationTillmans Corner
RouteState Highway 193
CountyMobile County
StateAlabama
Coordinates30.59554, -88.15375
Functional classUrban Other Principal 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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating72.5 US tons
Inventory rating43.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length398 ft (121.3 m)
Longest span127 ft (38.7 m)
Deck width55 ft (16.7 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,851 (2023)
Projected traffic19,277 by 2043
Trucks5%
Lanes on structure3
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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$5.3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 193 NB over I-10 built?

It was built in 1979, making it 46 years old in 2025.

What condition is SR 193 NB over I-10 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 2024.

How much traffic does SR 193 NB over I-10 carry?

About 12,851 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is SR 193 NB over I-10?

The structure is 398 ft (121.3 m) long with a longest span of 127 ft (38.7 m) and a deck 55 ft wide.

Who owns SR 193 NB over I-10?

It is owned by the State Highway Agency.