US Bridges

County RD 236 over Dry CR

Good

Oregon County, Missouri · S 36 T 23 N R 3 W · Structure no. 16627

Built
1985
40 years old
Condition
Good
inspected January 2024
Type
Culvert
Steel
Length
23 ft
8 main spans
Daily traffic
20
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 236 over Dry CR is a steel culvert carrying County RD 236 over Dry CR in Oregon County, Missouri. It was built in 1985, so it is 40 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 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 20 vehicles a day, roughly 10% of them trucks, projected to reach 24 by 2044. The structure is 23 ft (7 m) long and 16 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesCounty RD 236
CrossesDry CR
LocationS 36 T 23 N R 3 W
RouteCounty Highway 127
CountyOregon County
StateMissouri
Coordinates36.61195, -91.25168
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 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 within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating54.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans8
Design loadOther
Structure length23 ft (7 m)
Longest span2 ft (0.6 m)
Deck width16 ft (5 m)
Roadway width16 ft (5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2024)
Projected traffic24 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$153,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 236 over Dry CR built?

It was built in 1985, making it 40 years old in 2025.

What condition is County RD 236 over Dry 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 January 2024.

How much traffic does County RD 236 over Dry CR carry?

About 20 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD 236 over Dry CR?

The structure is 23 ft (7 m) long with a longest span of 2 ft (0.6 m) and a deck 16 ft wide.

Who owns County RD 236 over Dry CR?

It is owned by the County Highway Agency.