US Bridges

SE 40th ST over Trib No CR

Good

Grundy County, Missouri · S 16 T 60 N R 23 W · Structure no. 21775

Built
1996
29 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
20
2024 count
Owner
County
County Highway Agency

About this bridge

SE 40th ST over Trib No CR is a steel stringer/multi-beam or girder carrying SE 40th ST over Trib No CR in Grundy County, Missouri. It was built in 1996, so it is 29 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 20 vehicles a day, roughly 30% of them trucks, projected to reach 23 by 2044. The structure is 50 ft (15.2 m) long and 21 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSE 40th ST
CrossesTrib No CR
LocationS 16 T 60 N R 23 W
RouteCounty Highway 323
Coordinates40.02001, -93.48644
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 inspectionJanuary 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating58.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length50 ft (15.2 m)
Longest span49 ft (14.9 m)
Deck width21 ft (6.3 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2024)
Projected traffic23 by 2044
Trucks30%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 SE 40th ST over Trib No CR built?

It was built in 1996, making it 29 years old in 2025.

What condition is SE 40th ST over Trib No 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 January 2024.

How much traffic does SE 40th ST over Trib No CR carry?

About 20 vehicles per day (2024 count), of which roughly 30% are trucks.

How long is SE 40th ST over Trib No CR?

The structure is 50 ft (15.2 m) long with a longest span of 49 ft (14.9 m) and a deck 21 ft wide.

Who owns SE 40th ST over Trib No CR?

It is owned by the County Highway Agency.