US Bridges

Rt Y S over Br of Castor Rvr

Good

Bollinger County, Missouri · S 33 T 30 N R 9 E · Structure no. 7680

Built
1953
72 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete Continuous
Length
20 ft
2 main spans
Daily traffic
76
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Y S over Br of Castor Rvr is a concrete continuous culvert carrying Rt Y S over Br of Castor Rvr in Bollinger County, Missouri. It was built in 1953, so it is 72 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 76 vehicles a day, roughly 13% of them trucks, projected to reach 114 by 2044. The structure is 20 ft (6.2 m) long and 24 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesRt Y S
CrossesBr of Castor Rvr
LocationS 33 T 30 N R 9 E
RouteState Highway 0Y
Coordinates37.2243, -90.19336
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 inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating45.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 10
Structure length20 ft (6.2 m)
Longest span10 ft (3 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic76 (2024)
Projected traffic114 by 2044
Trucks13%
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 Br of Castor Rvr built?

It was built in 1953, making it 72 years old in 2025.

What condition is Rt Y S over Br of Castor Rvr 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 January 2024.

How much traffic does Rt Y S over Br of Castor Rvr carry?

About 76 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is Rt Y S over Br of Castor Rvr?

The structure is 20 ft (6.2 m) long with a longest span of 10 ft (3 m) and a deck 24 ft wide.

Who owns Rt Y S over Br of Castor Rvr?

It is owned by the State Highway Agency.