US Bridges

Mo 91 S over Little Rvr

Fair

Stoddard County, Missouri · S 31 T 28 N R 12 E · Structure no. 33332

Built
2011
14 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
81 ft
1 main span
Daily traffic
667
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 91 S over Little Rvr is a prestressed concrete box beam or girders - multiple carrying Mo 91 S over Little Rvr in Stoddard County, Missouri. It was built in 2011, so it is 14 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 667 vehicles a day, roughly 11% of them trucks, projected to reach 934 by 2044. The structure is 81 ft (24.8 m) long and 26 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesMo 91 S
CrossesLittle Rvr
LocationS 31 T 28 N R 12 E
RouteState Highway 91
Coordinates37.03834, -89.75846
Functional classRural Major 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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.4 US tons
Inventory rating43.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length81 ft (24.8 m)
Longest span80 ft (24.4 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic667 (2024)
Projected traffic934 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Mo 91 S over Little Rvr built?

It was built in 2011, making it 14 years old in 2025.

What condition is Mo 91 S over Little Rvr 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 October 2023.

How much traffic does Mo 91 S over Little Rvr carry?

About 667 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Mo 91 S over Little Rvr?

The structure is 81 ft (24.8 m) long with a longest span of 80 ft (24.4 m) and a deck 26 ft wide.

Who owns Mo 91 S over Little Rvr?

It is owned by the State Highway Agency.