US Bridges

County RD 155 over Shoal CR

Good

Carroll County, Missouri · S 1 T 55 N R 25 W · Structure no. 32653

Built
2009
16 years old
Condition
Good
inspected January 2024
Type
Slab
Concrete
Length
97 ft
3 main spans
Daily traffic
5
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 155 over Shoal CR is a concrete slab carrying County RD 155 over Shoal CR in Carroll County, Missouri. It was built in 2009, so it is 16 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 5 vehicles a day, roughly 10% of them trucks, projected to reach 6 by 2044. The structure is 97 ft (29.6 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty RD 155
CrossesShoal CR
LocationS 1 T 55 N R 25 W
RouteCounty Highway 6
Coordinates39.60889, -93.65607
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure9 ExcellentNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length97 ft (29.6 m)
Longest span46 ft (14 m)
Deck width26 ft (7.8 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2024)
Projected traffic6 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 155 over Shoal CR built?

It was built in 2009, making it 16 years old in 2025.

What condition is County RD 155 over Shoal 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 155 over Shoal CR carry?

About 5 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD 155 over Shoal CR?

The structure is 97 ft (29.6 m) long with a longest span of 46 ft (14 m) and a deck 26 ft wide.

Who owns County RD 155 over Shoal CR?

It is owned by the County Highway Agency.