A7 over Eagan CR

Fair

Ripley County, Missouri · S 26 T 22 N R 2 E · Structure no. 17335

Built: 1940; 85 years old, rebuilt 1950
Condition: Fair; inspected February 2025
Type: Slab; Concrete Continuous
Length: 23 ft; 3 main spans
Daily traffic: 25; 2023 count
Owner: County; County Highway Agency

About this bridge

A7 over Eagan CR is a concrete continuous slab carrying A7 over Eagan CR in Ripley County, Missouri. It was built in 1940 and reconstructed in 1950, so it is 85 years old, older than the Missouri average of 45.1 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 25 vehicles a day, roughly 10% of them trucks, projected to reach 30 by 2043. The structure is 23 ft (7 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesA7

CrossesEagan CR

LocationS 26 T 22 N R 2 E

RouteCounty Highway 149

CountyRipley County

StateMissouri

Coordinates36.5242, -90.8315

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.

Component	Rating	Meaning
Deck	7 Good	Some minor problems.
Superstructure	7 Good	Some minor problems.
Substructure	6 Satisfactory	Structural elements show some minor deterioration.
Channel and channel protection	5 Fair	All primary structural elements are sound but may have minor section loss, cracking, spalling or scour.

Last inspectionFebruary 2025

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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is

Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is

Approach roadway alignment7: Better than present minimum criteria

Operating rating54.6 US tons

Inventory rating17.9 US tons

Structure

Structure typeSlab

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans3

Design loadOther

Structure length23 ft (7 m)

Longest span7 ft (2.1 m)

Deck width20 ft (6.1 m)

Roadway width20 ft (6.1 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2023)

Projected traffic30 by 2043

Trucks10%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed1.9 mi (3 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 A7 over Eagan CR built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1950.

What condition is A7 over Eagan CR 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 February 2025.

How much traffic does A7 over Eagan CR carry?

About 25 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is A7 over Eagan CR?

The structure is 23 ft (7 m) long with a longest span of 7 ft (2.1 m) and a deck 20 ft wide.

Who owns A7 over Eagan CR?

It is owned by the County Highway Agency.