US Bridges

Hammock ST over Br of W Muddy Crk

Good

Mercer County, Missouri · S 13 T 64 N R 25 W · Structure no. 29728

Built
2001
24 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
70 ft
1 main span
Daily traffic
35
2024 count
Owner
County
County Highway Agency

About this bridge

Hammock ST over Br of W Muddy Crk is a steel stringer/multi-beam or girder carrying Hammock ST over Br of W Muddy Crk in Mercer County, Missouri. It was built in 2001, so it is 24 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 10% of them trucks, projected to reach 39 by 2044. The structure is 70 ft (21.2 m) long and 21 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesHammock ST
CrossesBr of W Muddy Crk
LocationS 13 T 64 N R 25 W
RouteCounty Highway 205
Coordinates40.34147, -93.67133
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 protection6 SatisfactoryStructural elements show some minor deterioration.
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.6 US tons
Inventory rating33.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length70 ft (21.2 m)
Longest span69 ft (20.9 m)
Deck width21 ft (6.3 m)
Roadway width20 ft (6.1 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 closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Hammock ST over Br of W Muddy Crk built?

It was built in 2001, making it 24 years old in 2025.

What condition is Hammock ST over Br of W 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 January 2024.

How much traffic does Hammock ST over Br of W Muddy Crk carry?

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

How long is Hammock ST over Br of W Muddy Crk?

The structure is 70 ft (21.2 m) long with a longest span of 69 ft (20.9 m) and a deck 21 ft wide.

Who owns Hammock ST over Br of W Muddy Crk?

It is owned by the County Highway Agency.