US Bridges

County RD 261 over Drainage Ditch

Good

Scott County, Missouri · S 1 T 28 N R 12 E · Structure no. 33783

Built
2010
15 years old
Condition
Good
inspected January 2025
Type
Culvert
Steel
Length
27 ft
4 main spans
Daily traffic
35
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 261 over Drainage Ditch is a steel culvert carrying County RD 261 over Drainage Ditch in Scott County, Missouri. It was built in 2010, so it is 15 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 35 vehicles a day, roughly 10% of them trucks, projected to reach 49 by 2043. The structure is 27 ft (8.1 m) long and 22 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

No coordinates are recorded for this structure.

CarriesCounty RD 261
CrossesDrainage Ditch
LocationS 1 T 28 N R 12 E
RouteCounty Highway 197
CountyScott County
StateMissouri
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 protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans4
Design loadHS 20
Structure length27 ft (8.1 m)
Longest span5 ft (1.5 m)
Deck width22 ft (6.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2023)
Projected traffic49 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 County RD 261 over Drainage Ditch built?

It was built in 2010, making it 15 years old in 2025.

What condition is County RD 261 over Drainage Ditch 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 2025.

How much traffic does County RD 261 over Drainage Ditch carry?

About 35 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 261 over Drainage Ditch?

The structure is 27 ft (8.1 m) long with a longest span of 5 ft (1.5 m) and a deck 22 ft wide.

Who owns County RD 261 over Drainage Ditch?

It is owned by the County Highway Agency.