US Bridges

NE Heimbaugh RD over Muddy CR

Good

DeKalb County, Missouri · S 26 T 60 N R 30 W · Structure no. 31988

Built
2006
19 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
61 ft
1 main span
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

NE Heimbaugh RD over Muddy CR is a steel stringer/multi-beam or girder carrying NE Heimbaugh RD over Muddy CR in DeKalb County, Missouri. It was built in 2006, so it is 19 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 15 vehicles a day, roughly 10% of them trucks, projected to reach 17 by 2044. The structure is 61 ft (18.7 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNE Heimbaugh RD
CrossesMuddy CR
LocationS 26 T 60 N R 30 W
RouteCounty Highway 162
Coordinates39.98818, -94.22322
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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating51.6 US tons
Inventory rating30.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length61 ft (18.7 m)
Longest span60 ft (18.3 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2024)
Projected traffic17 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 Heimbaugh RD over Muddy CR built?

It was built in 2006, making it 19 years old in 2025.

What condition is NE Heimbaugh RD over 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 December 2024.

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

About 15 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is NE Heimbaugh RD over Muddy CR?

The structure is 61 ft (18.7 m) long with a longest span of 60 ft (18.3 m) and a deck 20 ft wide.

Who owns NE Heimbaugh RD over Muddy CR?

It is owned by the County Highway Agency.