US Bridges

A-6 over Eagen CR

Good

Ripley County, Missouri · S 26 T 22 N R 2 E · Structure no. 34998

Built
2015
10 years old
Condition
Good
inspected February 2025
Type
Culvert
Steel
Length
35 ft
4 main spans
Daily traffic
15
2023 count
Owner
County
County Highway Agency

About this bridge

A-6 over Eagen CR is a steel culvert carrying A-6 over Eagen CR in Ripley County, Missouri. It was built in 2015, so it is 10 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 15 vehicles a day, roughly 10% of them trucks, projected to reach 18 by 2043. The structure is 35 ft (10.7 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesA-6
CrossesEagen CR
LocationS 26 T 22 N R 2 E
RouteCounty Highway 147
Coordinates36.52333, -90.8225
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection9 ExcellentNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating85.3 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span6 ft (1.8 m)
Deck width24 ft (7.3 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2023)
Projected traffic18 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was A-6 over Eagen CR built?

It was built in 2015, making it 10 years old in 2025.

What condition is A-6 over Eagen CR 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 February 2025.

How much traffic does A-6 over Eagen CR carry?

About 15 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is A-6 over Eagen CR?

The structure is 35 ft (10.7 m) long with a longest span of 6 ft (1.8 m) and a deck 24 ft wide.

Who owns A-6 over Eagen CR?

It is owned by the County Highway Agency.