US Bridges

Hammock ST over W Muddy CR

Good

Mercer County, Missouri · S 18 T 64 N R 24 W · Structure no. 32284

Built
2008
17 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
83 ft
1 main span
Daily traffic
35
2024 count
Owner
County
County Highway Agency

About this bridge

Hammock ST over W Muddy CR is a steel stringer/multi-beam or girder carrying Hammock ST over W Muddy CR in Mercer 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 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 35 vehicles a day, roughly 25% of them trucks, projected to reach 39 by 2044. The structure is 83 ft (25.3 m) long and 20 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesHammock ST
CrossesW Muddy CR
LocationS 18 T 64 N R 24 W
RouteCounty Highway 222
Coordinates40.3451, -93.64613
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating95.2 US tons
Inventory rating57.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length83 ft (25.3 m)
Longest span82 ft (25 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2024)
Projected traffic39 by 2044
Trucks25%
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 Hammock ST over W Muddy CR built?

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

What condition is Hammock ST over W Muddy 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 Hammock ST over W Muddy CR carry?

About 35 vehicles per day (2024 count), of which roughly 25% are trucks.

How long is Hammock ST over W Muddy CR?

The structure is 83 ft (25.3 m) long with a longest span of 82 ft (25 m) and a deck 20 ft wide.

Who owns Hammock ST over W Muddy CR?

It is owned by the County Highway Agency.