US Bridges

Bison ST over Little Muddy Crk

Good

Mercer County, Missouri · S 16 T 66 N R 23 W · Structure no. 37377

Built
2025
0 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
92 ft
2 main spans
Daily traffic
35
2024 count
Owner
County
County Highway Agency

About this bridge

Bison ST over Little Muddy Crk is a prestressed concrete box beam or girders - multiple carrying Bison ST over Little Muddy Crk in Mercer County, Missouri. It was built in 2025, so it is 0 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: new structure not yet open to traffic.

It carries about 35 vehicles a day, roughly 10% of them trucks, projected to reach 39 by 2044. The structure is 92 ft (28 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesBison ST
CrossesLittle Muddy Crk
LocationS 16 T 66 N R 23 W
RouteCounty Highway 79
Coordinates40.53111, -93.49222
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusNew structure not yet open to traffic
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.4 US tons
Inventory rating54.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHL 93
Structure length92 ft (28 m)
Longest span52 ft (15.9 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2024)
Projected traffic39 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Bison ST over Little Muddy Crk built?

It was built in 2025, making it 0 years old in 2025.

What condition is Bison ST over Little Muddy Crk 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 Bison ST over Little Muddy Crk carry?

About 35 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Bison ST over Little Muddy Crk?

The structure is 92 ft (28 m) long with a longest span of 52 ft (15.9 m) and a deck 24 ft wide.

Who owns Bison ST over Little Muddy Crk?

It is owned by the County Highway Agency.