US Bridges

County RD 1050 over Robinson CR

Good

Phelps County, Missouri · S 6 T 38 N R 6 W · Structure no. 28131

Built
1997
28 years old
Condition
Good
inspected November 2023
Type
Culvert
Steel
Length
37 ft
4 main spans
Daily traffic
75
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 1050 over Robinson CR is a steel culvert carrying County RD 1050 over Robinson CR in Phelps County, Missouri. It was built in 1997, so it is 28 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 75 vehicles a day, roughly 10% of them trucks, projected to reach 98 by 2044. The structure is 37 ft (11.4 m) long and 21 ft wide. If it were closed, the detour would be 95.1 mi (153 km).

CarriesCounty RD 1050
CrossesRobinson CR
LocationS 6 T 38 N R 6 W
RouteCounty Highway 88
Coordinates38.04541, -91.61718
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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadOther
Structure length37 ft (11.4 m)
Longest span8 ft (2.5 m)
Deck width21 ft (6.5 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2024)
Projected traffic98 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed95.1 mi (153 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 1050 over Robinson CR built?

It was built in 1997, making it 28 years old in 2025.

What condition is County RD 1050 over Robinson 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 November 2023.

How much traffic does County RD 1050 over Robinson CR carry?

About 75 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD 1050 over Robinson CR?

The structure is 37 ft (11.4 m) long with a longest span of 8 ft (2.5 m) and a deck 21 ft wide.

Who owns County RD 1050 over Robinson CR?

It is owned by the County Highway Agency.