US Bridges

NW 7001 over Miami CR

FairPosted for load

Bates County, Missouri · S 32 T 41 N R 32 W · Structure no. 18300

Built
1925
100 years old
Condition
Fair
inspected January 2025
Type
Truss - Thru
Steel
Length
72 ft
1 main span
Daily traffic
45
2023 count
Owner
County
County Highway Agency

About this bridge

NW 7001 over Miami CR is a steel truss - thru carrying NW 7001 over Miami CR in Bates County, Missouri. It was built in 1925, so it is 100 years old, older 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. Its operating status is: posted for load restriction.

It carries about 45 vehicles a day, roughly 10% of them trucks, projected to reach 59 by 2043. The structure is 72 ft (21.9 m) long and 16 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNW 7001
CrossesMiami CR
LocationS 32 T 41 N R 32 W
RouteCounty Highway 181
CountyBates County
StateMissouri
Coordinates38.31545, -94.47673
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusPosted for load 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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.7 US tons
Inventory rating23.8 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length72 ft (21.9 m)
Longest span70 ft (21.3 m)
Deck width16 ft (5 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45 (2023)
Projected traffic59 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 NW 7001 over Miami CR built?

It was built in 1925, making it 100 years old in 2025.

What condition is NW 7001 over Miami 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 January 2025.

How much traffic does NW 7001 over Miami CR carry?

About 45 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is NW 7001 over Miami CR?

The structure is 72 ft (21.9 m) long with a longest span of 70 ft (21.3 m) and a deck 16 ft wide.

Who owns NW 7001 over Miami CR?

It is owned by the County Highway Agency.