US Bridges

Rt O S over Roberts Br

Good

Clinton County, Missouri · S 8 T 54 N R 32 W · Structure no. 3026

Built
1977
48 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
302 ft
5 main spans
Daily traffic
139
2024 count
Owner
State
State Highway Agency

About this bridge

Rt O S over Roberts Br is a prestressed concrete continuous stringer/multi-beam or girder carrying Rt O S over Roberts Br in Clinton County, Missouri. It was built in 1977, so it is 48 years old, older 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 139 vehicles a day, roughly 12% of them trucks, projected to reach 181 by 2044. The structure is 302 ft (92 m) long and 31 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesRt O S
CrossesRoberts Br
LocationS 8 T 54 N R 32 W
RouteState Highway 0O
Coordinates39.50814, -94.52806
Functional classRural Minor Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.5 US tons
Inventory rating18.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length302 ft (92 m)
Longest span61 ft (18.5 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic139 (2024)
Projected traffic181 by 2044
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Rt O S over Roberts Br built?

It was built in 1977, making it 48 years old in 2025.

What condition is Rt O S over Roberts Br 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 October 2024.

How much traffic does Rt O S over Roberts Br carry?

About 139 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is Rt O S over Roberts Br?

The structure is 302 ft (92 m) long with a longest span of 61 ft (18.5 m) and a deck 31 ft wide.

Who owns Rt O S over Roberts Br?

It is owned by the State Highway Agency.