US Bridges

NW Mill CR DR over E. Sheep Cr.

Good

Caldwell County, Missouri · S 24 T 57 N R 29 W · Structure no. 28404

Built
1999
26 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
51 ft
1 main span
Daily traffic
10
2024 count
Owner
County
County Highway Agency

About this bridge

NW Mill CR DR over E. Sheep Cr. is a steel stringer/multi-beam or girder carrying NW Mill CR DR over E. Sheep Cr. in Caldwell County, Missouri. It was built in 1999, so it is 26 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 10 vehicles a day, roughly 10% of them trucks, projected to reach 12 by 2044. The structure is 51 ft (15.5 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNW Mill CR DR
CrossesE. Sheep Cr.
LocationS 24 T 57 N R 29 W
RouteCounty Highway 30
Coordinates39.72796, -94.09874
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
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 inspectionOctober 2023
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.5 US tons
Inventory rating39.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length51 ft (15.5 m)
Longest span50 ft (15.2 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2024)
Projected traffic12 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 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 NW Mill CR DR over E. Sheep Cr. built?

It was built in 1999, making it 26 years old in 2025.

What condition is NW Mill CR DR over E. Sheep 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 October 2023.

How much traffic does NW Mill CR DR over E. Sheep Cr. carry?

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

How long is NW Mill CR DR over E. Sheep Cr.?

The structure is 51 ft (15.5 m) long with a longest span of 50 ft (15.2 m) and a deck 25 ft wide.

Who owns NW Mill CR DR over E. Sheep Cr.?

It is owned by the County Highway Agency.