US Bridges

US 29 MP 66.012 over Three Mile Creek

Fair

Crenshaw County, Alabama · 3 Mi. S. Sr. 106 · Structure no. 002119

Built
1938
87 years old, rebuilt 1940
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
134 ft
6 main spans
Daily traffic
1,440
2013 count
Owner
State
State Highway Agency

About this bridge

US 29 MP 66.012 over Three Mile Creek is a steel continuous stringer/multi-beam or girder carrying US 29 MP 66.012 over Three Mile Creek in Crenshaw County, Alabama. It was built in 1938 and reconstructed in 1940, so it is 87 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 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 1,440 vehicles a day, roughly 13% of them trucks, projected to reach 1,963 by 2033. The structure is 134 ft (40.8 m) long and 27 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesUS 29 MP 66.012
CrossesThree Mile Creek
Location3 Mi. S. Sr. 106
RouteU.S. Route 29
CountyCrenshaw County
StateAlabama
Coordinates31.52175, -86.33443
Functional classRural 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.9 US tons
Inventory rating23.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadH 15
Structure length134 ft (40.8 m)
Longest span22 ft (6.7 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,440 (2013)
Projected traffic1,963 by 2033
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemNo

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$990,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 29 MP 66.012 over Three Mile Creek built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1940.

What condition is US 29 MP 66.012 over Three Mile 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 2023.

How much traffic does US 29 MP 66.012 over Three Mile Creek carry?

About 1,440 vehicles per day (2013 count), of which roughly 13% are trucks.

How long is US 29 MP 66.012 over Three Mile Creek?

The structure is 134 ft (40.8 m) long with a longest span of 22 ft (6.7 m) and a deck 27 ft wide.

Who owns US 29 MP 66.012 over Three Mile Creek?

It is owned by the State Highway Agency.