US Bridges

S Rolla ST over Dutro Carter CR

Fair

Phelps County, Missouri · S 11 T 37 N R 8 W · Structure no. 30775

Built
2008
17 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete Continuous
Length
34 ft
2 main spans
Daily traffic
1,000
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

S Rolla ST over Dutro Carter CR is a concrete continuous culvert carrying S Rolla ST over Dutro Carter CR in Phelps County, Missouri. It was built in 2008, so it is 17 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,000 vehicles a day, roughly 10% of them trucks, projected to reach 1,450 by 2044. The structure is 34 ft (10.4 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesS Rolla ST
CrossesDutro Carter CR
LocationS 11 T 37 N R 8 W
RouteCity Street 0
CountyPhelps County
StateMissouri
Coordinates37.94367, -91.77249
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.5 US tons
Inventory rating36.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span15 ft (4.6 m)
Deck width46 ft (14 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2024)
Projected traffic1,450 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 S Rolla ST over Dutro Carter CR built?

It was built in 2008, making it 17 years old in 2025.

What condition is S Rolla ST over Dutro Carter CR in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2023.

How much traffic does S Rolla ST over Dutro Carter CR carry?

About 1,000 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is S Rolla ST over Dutro Carter CR?

The structure is 34 ft (10.4 m) long with a longest span of 15 ft (4.6 m) and a deck 46 ft wide.

Who owns S Rolla ST over Dutro Carter CR?

It is owned by the City or Municipal Highway Agency.