US Bridges

NW 45th Ave over Lost CR

Good

Grundy County, Missouri · S 34 T 63 N R 25 W · Structure no. 28629

Built
2000
25 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
60 ft
1 main span
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

NW 45th Ave over Lost CR is a steel stringer/multi-beam or girder carrying NW 45th Ave over Lost CR in Grundy County, Missouri. It was built in 2000, so it is 25 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 60 ft (18.3 m) long and 21 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNW 45th Ave
CrossesLost CR
LocationS 34 T 63 N R 25 W
RouteCounty Highway 155
Coordinates40.20537, -93.6908
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.
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 inspectionFebruary 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.3 US tons
Inventory rating52.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length60 ft (18.3 m)
Longest span59 ft (18 m)
Deck width21 ft (6.3 m)
Roadway width20 ft (6.2 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 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 45th Ave over Lost CR built?

It was built in 2000, making it 25 years old in 2025.

What condition is NW 45th Ave over Lost 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 February 2024.

How much traffic does NW 45th Ave over Lost CR carry?

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

How long is NW 45th Ave over Lost CR?

The structure is 60 ft (18.3 m) long with a longest span of 59 ft (18 m) and a deck 21 ft wide.

Who owns NW 45th Ave over Lost CR?

It is owned by the County Highway Agency.