US Bridges

S.E. 75th RD over Br of Platte Rvr

Good

Buchanan County, Missouri · S 8 T 56 N R 34 W · Structure no. 17160

Built
1992
33 years old
Condition
Good
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
25
2024 count
Owner
County
County Highway Agency

About this bridge

S.E. 75th RD over Br of Platte Rvr is a steel stringer/multi-beam or girder carrying S.E. 75th RD over Br of Platte Rvr in Buchanan County, Missouri. It was built in 1992, so it is 33 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 25 vehicles a day, roughly 10% of them trucks, projected to reach 29 by 2044. The structure is 41 ft (12.5 m) long and 25 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesS.E. 75th RD
CrossesBr of Platte Rvr
LocationS 8 T 56 N R 34 W
RouteCounty Highway 144
Coordinates39.68694, -94.73
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 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 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 alignment6: Equal to present minimum criteria
Operating rating82.3 US tons
Inventory rating49.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length41 ft (12.5 m)
Longest span40 ft (12.2 m)
Deck width25 ft (7.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2024)
Projected traffic29 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 S.E. 75th RD over Br of Platte Rvr built?

It was built in 1992, making it 33 years old in 2025.

What condition is S.E. 75th RD over Br of Platte Rvr 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 S.E. 75th RD over Br of Platte Rvr carry?

About 25 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is S.E. 75th RD over Br of Platte Rvr?

The structure is 41 ft (12.5 m) long with a longest span of 40 ft (12.2 m) and a deck 25 ft wide.

Who owns S.E. 75th RD over Br of Platte Rvr?

It is owned by the County Highway Agency.