US Bridges

Ables RD over ST Johns Dtch

Fair

Scott County, Missouri · S 29 T 26 N R 14 E · Structure no. 23289

Built
1979
46 years old
Condition
Fair
inspected January 2025
Type
Slab
Prestressed Concrete
Length
70 ft
2 main spans
Daily traffic
1,000
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ables RD over ST Johns Dtch is a prestressed concrete slab carrying Ables RD over ST Johns Dtch in Scott County, Missouri. It was built in 1979, so it is 46 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 1,000 vehicles a day, roughly 10% of them trucks, projected to reach 1,450 by 2043. The structure is 70 ft (21.3 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesAbles RD
CrossesST Johns Dtch
LocationS 29 T 26 N R 14 E
RouteCity Street 0
Coordinates36.87665, -89.56342
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length70 ft (21.3 m)
Longest span35 ft (10.7 m)
Deck width39 ft (12 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2023)
Projected traffic1,450 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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ables RD over ST Johns Dtch built?

It was built in 1979, making it 46 years old in 2025.

What condition is Ables RD over ST Johns Dtch 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 January 2025.

How much traffic does Ables RD over ST Johns Dtch carry?

About 1,000 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Ables RD over ST Johns Dtch?

The structure is 70 ft (21.3 m) long with a longest span of 35 ft (10.7 m) and a deck 39 ft wide.

Who owns Ables RD over ST Johns Dtch?

It is owned by the City or Municipal Highway Agency.