US Bridges

240th ST over Grantham Crk

Good

Gentry County, Missouri · S 2 T 64 N R 33 W · Structure no. 37290

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

About this bridge

240th ST over Grantham Crk is a steel stringer/multi-beam or girder carrying 240th ST over Grantham Crk in Gentry County, Missouri. It was built in 2024, so it is 1 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: new structure not yet open to traffic.

It carries about 10 vehicles a day, roughly 10% of them trucks, projected to reach 12 by 2044. The structure is 93 ft (28.3 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries240th ST
CrossesGrantham Crk
LocationS 2 T 64 N R 33 W
RouteCounty Highway 1
Coordinates40.37299, -94.5825
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusNew structure not yet open to traffic
ScourFoundations on dry land well above flood water elevations
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length93 ft (28.3 m)
Longest span91 ft (27.6 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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 240th ST over Grantham Crk built?

It was built in 2024, making it 1 years old in 2025.

What condition is 240th ST over Grantham Crk 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 May 2024.

How much traffic does 240th ST over Grantham Crk carry?

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

How long is 240th ST over Grantham Crk?

The structure is 93 ft (28.3 m) long with a longest span of 91 ft (27.6 m) and a deck 25 ft wide.

Who owns 240th ST over Grantham Crk?

It is owned by the County Highway Agency.