US Bridges

Rt Y S over Simpson CR

Good

Ripley County, Missouri · S 10 T 23 N R 2 E · Structure no. 8468

Built
1965
60 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete Continuous
Length
47 ft
3 main spans
Daily traffic
962
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Y S over Simpson CR is a concrete continuous culvert carrying Rt Y S over Simpson CR in Ripley County, Missouri. It was built in 1965, so it is 60 years old, older 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 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 962 vehicles a day, roughly 10% of them trucks, projected to reach 1,347 by 2044. The structure is 47 ft (14.2 m) long and 32 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesRt Y S
CrossesSimpson CR
LocationS 10 T 23 N R 2 E
RouteState Highway 0Y
Coordinates36.65966, -90.84183
Functional classRural Minor Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating62.5 US tons
Inventory rating36.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 15
Structure length47 ft (14.2 m)
Longest span15 ft (4.6 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic962 (2024)
Projected traffic1,347 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Rt Y S over Simpson CR built?

It was built in 1965, making it 60 years old in 2025.

What condition is Rt Y S over Simpson 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 December 2023.

How much traffic does Rt Y S over Simpson CR carry?

About 962 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Rt Y S over Simpson CR?

The structure is 47 ft (14.2 m) long with a longest span of 15 ft (4.6 m) and a deck 32 ft wide.

Who owns Rt Y S over Simpson CR?

It is owned by the State Highway Agency.