US Bridges

Cottage Hill Road over Montlimar Creek

Fair

Mobile County, Alabama · 0.3 MI W I 65 · Structure no. 013800

Built
1986
39 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
170 ft
5 main spans
Daily traffic
28,689
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Cottage Hill Road over Montlimar Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Cottage Hill Road over Montlimar Creek in Mobile County, Alabama. It was built in 1986, so it is 39 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 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 28,689 vehicles a day, roughly 2% of them trucks, projected to reach 43,033 by 2043. The structure is 170 ft (51.8 m) long and 103 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCottage Hill Road
CrossesMontlimar Creek
Location0.3 MI W I 65
RouteCity Street 0
StateAlabama
Coordinates30.66022, -88.12854
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.2 US tons
Inventory rating41.4 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length170 ft (51.8 m)
Longest span34 ft (10.4 m)
Deck width103 ft (31.3 m)
Roadway width90 ft (27.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,689 (2023)
Projected traffic43,033 by 2043
Trucks2%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost$4.8 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cottage Hill Road over Montlimar Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is Cottage Hill Road over Montlimar Creek 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 2023.

How much traffic does Cottage Hill Road over Montlimar Creek carry?

About 28,689 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Cottage Hill Road over Montlimar Creek?

The structure is 170 ft (51.8 m) long with a longest span of 34 ft (10.4 m) and a deck 103 ft wide.

Who owns Cottage Hill Road over Montlimar Creek?

It is owned by the City or Municipal Highway Agency.