US Bridges

I-65 SB over Dyass Creek

Fair

Baldwin County, Alabama · 2.7 MI N SR 287 · Structure no. 008562

Built
1965
60 years old
Condition
Fair
inspected August 2024
Type
Tee Beam
Concrete
Length
374 ft
11 main spans
Daily traffic
13,965
2023 count
Owner
State
State Highway Agency

About this bridge

I-65 SB over Dyass Creek is a concrete tee beam carrying I-65 SB over Dyass Creek in Baldwin County, Alabama. It was built in 1965, so it is 60 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 13,965 vehicles a day, roughly 26% of them trucks, projected to reach 20,948 by 2043. The structure is 374 ft (114 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-65 SB
CrossesDyass Creek
Location2.7 MI N SR 287
RouteInterstate 65
StateAlabama
Coordinates30.97918, -87.71533
Functional classRural 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating52.2 US tons
Inventory rating31.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans11
Design loadHS 20
Structure length374 ft (114 m)
Longest span34 ft (10.4 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,965 (2023)
Projected traffic20,948 by 2043
Trucks26%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$3.1 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I-65 SB over Dyass Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is I-65 SB over Dyass 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 August 2024.

How much traffic does I-65 SB over Dyass Creek carry?

About 13,965 vehicles per day (2023 count), of which roughly 26% are trucks.

How long is I-65 SB over Dyass Creek?

The structure is 374 ft (114 m) long with a longest span of 34 ft (10.4 m) and a deck 33 ft wide.

Who owns I-65 SB over Dyass Creek?

It is owned by the State Highway Agency.