US Bridges

NE Liberty RD over Muddy CR

Fair

DeKalb County, Missouri · S 22 T 60 N R 30 W · Structure no. 32482

Built
2008
17 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
58 ft
1 main span
Daily traffic
5
2024 count
Owner
County
County Highway Agency

About this bridge

NE Liberty RD over Muddy CR is a steel stringer/multi-beam or girder carrying NE Liberty RD over Muddy CR in DeKalb 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 fair condition with a lowest component rating of 5 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 5 vehicles a day, roughly 10% of them trucks, projected to reach 6 by 2044. The structure is 58 ft (17.6 m) long and 21 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesNE Liberty RD
CrossesMuddy CR
LocationS 22 T 60 N R 30 W
RouteCounty Highway 160
CountyDeKalb County
StateMissouri
Coordinates39.99331, -94.24769
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating60.5 US tons
Inventory rating36.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length58 ft (17.6 m)
Longest span57 ft (17.3 m)
Deck width21 ft (6.3 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2024)
Projected traffic6 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 NE Liberty RD over Muddy CR built?

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

What condition is NE Liberty RD over Muddy CR 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 December 2024.

How much traffic does NE Liberty RD over Muddy CR carry?

About 5 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is NE Liberty RD over Muddy CR?

The structure is 58 ft (17.6 m) long with a longest span of 57 ft (17.3 m) and a deck 21 ft wide.

Who owns NE Liberty RD over Muddy CR?

It is owned by the County Highway Agency.