US Bridges

250 TH ST over Dawson Br of Grand

Good

Gentry County, Missouri · S 13 T 64 N R 31 W · Structure no. 31683

Built
2005
20 years old
Condition
Good
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
5
2024 count
Owner
County
County Highway Agency

About this bridge

250 TH ST over Dawson Br of Grand is a steel stringer/multi-beam or girder carrying 250 TH ST over Dawson Br of Grand in Gentry County, Missouri. It was built in 2005, so it is 20 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 5 vehicles a day, roughly 10% of them trucks, projected to reach 6 by 2044. The structure is 40 ft (12.3 m) long and 18 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
Carries250 TH ST
CrossesDawson Br of Grand
LocationS 13 T 64 N R 31 W
RouteCounty Highway 79
CountyGentry County
StateMissouri
Coordinates40.35852, -94.34819
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating40.7 US tons
Inventory rating23.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length40 ft (12.3 m)
Longest span38 ft (11.6 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2024)
Projected traffic6 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 250 TH ST over Dawson Br of Grand built?

It was built in 2005, making it 20 years old in 2025.

What condition is 250 TH ST over Dawson Br of Grand 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 2023.

How much traffic does 250 TH ST over Dawson Br of Grand carry?

About 5 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is 250 TH ST over Dawson Br of Grand?

The structure is 40 ft (12.3 m) long with a longest span of 38 ft (11.6 m) and a deck 18 ft wide.

Who owns 250 TH ST over Dawson Br of Grand?

It is owned by the County Highway Agency.