US Bridges

CO Rt 42 over Unamed Creek

Good

Conecuh County, Alabama · 1MI E Evergreen · Structure no. 016973

Built
1996
29 years old
Condition
Good
inspected October 2023
Type
Channel Beam
Concrete Continuous
Length
68 ft
2 main spans
Daily traffic
690
2001 count
Owner
County
County Highway Agency

About this bridge

CO Rt 42 over Unamed Creek is a concrete continuous channel beam carrying CO Rt 42 over Unamed Creek in Conecuh County, Alabama. It was built in 1996, so it is 29 years old, younger than the Alabama average of 51.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 690 vehicles a day, roughly 15% of them trucks, projected to reach 798 by 2034. The structure is 68 ft (20.6 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCO Rt 42
CrossesUnamed Creek
Location1MI E Evergreen
RouteCounty Highway 42
StateAlabama
Coordinates31.42493, -86.93415
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating81.7 US tons
Inventory rating49.1 US tons

Structure

Structure typeChannel Beam
MaterialConcrete Continuous
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length68 ft (20.6 m)
Longest span32 ft (9.9 m)
Deck width31 ft (9.4 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic690 (2001)
Projected traffic798 by 2034
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$660,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CO Rt 42 over Unamed Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is CO Rt 42 over Unamed Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does CO Rt 42 over Unamed Creek carry?

About 690 vehicles per day (2001 count), of which roughly 15% are trucks.

How long is CO Rt 42 over Unamed Creek?

The structure is 68 ft (20.6 m) long with a longest span of 32 ft (9.9 m) and a deck 31 ft wide.

Who owns CO Rt 42 over Unamed Creek?

It is owned by the County Highway Agency.