US Bridges

CR73 Union Ch over Six Mile Creek

Fair

Chilton County, Alabama · CR73 1M S Union Spgchurch · Structure no. 013539

Built
1985
40 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
58 ft
4 main spans
Daily traffic
300
1985 count
Owner
County
County Highway Agency

About this bridge

CR73 Union Ch over Six Mile Creek is a concrete culvert carrying CR73 Union Ch over Six Mile Creek in Chilton County, Alabama. It was built in 1985, so it is 40 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 300 vehicles a day, roughly 1% of them trucks, projected to reach 350 by 2029. The structure is 58 ft (17.6 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCR73 Union Ch
CrossesSix Mile Creek
LocationCR73 1M S Union Spgchurch
RouteCounty Highway 0
StateAlabama
Coordinates32.02219, -86.86963
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating98 US tons
Inventory rating59.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length58 ft (17.6 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (1985)
Projected traffic350 by 2029
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$689,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR73 Union Ch over Six Mile Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is CR73 Union Ch over Six 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 October 2024.

How much traffic does CR73 Union Ch over Six Mile Creek carry?

About 300 vehicles per day (1985 count), of which roughly 1% are trucks.

How long is CR73 Union Ch over Six Mile Creek?

The structure is 58 ft (17.6 m) long with a longest span of 14 ft (4.3 m).

Who owns CR73 Union Ch over Six Mile Creek?

It is owned by the County Highway Agency.