US Bridges

Bennet RD over Br S Grand Rvr

FairPosted for load

Cass County, Missouri · S 18 T 44 N R 32 W · Structure no. 21474

Built
1965
60 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
95 ft
3 main spans
Daily traffic
140
2024 count
Owner
County
County Highway Agency

About this bridge

Bennet RD over Br S Grand Rvr is a steel continuous stringer/multi-beam or girder carrying Bennet RD over Br S Grand Rvr in Cass County, Missouri. It was built in 1965, so it is 60 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 6 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 140 vehicles a day, roughly 5% of them trucks, projected to reach 224 by 2044. The structure is 95 ft (29 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesBennet RD
CrossesBr S Grand Rvr
LocationS 18 T 44 N R 32 W
RouteCounty Highway 308
Coordinates38.61144, -94.48746
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating27.8 US tons
Inventory rating13.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length95 ft (29 m)
Longest span56 ft (17.1 m)
Deck width26 ft (7.9 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic140 (2024)
Projected traffic224 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Bennet RD over Br S Grand Rvr built?

It was built in 1965, making it 60 years old in 2025.

What condition is Bennet RD over Br S Grand Rvr 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 March 2023.

How much traffic does Bennet RD over Br S Grand Rvr carry?

About 140 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Bennet RD over Br S Grand Rvr?

The structure is 95 ft (29 m) long with a longest span of 56 ft (17.1 m) and a deck 26 ft wide.

Who owns Bennet RD over Br S Grand Rvr?

It is owned by the County Highway Agency.