US Bridges

NW Bray RD over Br Third Fk Platte

Good

DeKalb County, Missouri · S 23 T 60 N R 33 W · Structure no. 12594

Built
1989
36 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

NW Bray RD over Br Third Fk Platte is a steel stringer/multi-beam or girder carrying NW Bray RD over Br Third Fk Platte in DeKalb County, Missouri. It was built in 1989, so it is 36 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 15 vehicles a day, roughly 10% of them trucks, projected to reach 17 by 2044. The structure is 41 ft (12.5 m) long and 18 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNW Bray RD
CrossesBr Third Fk Platte
LocationS 23 T 60 N R 33 W
RouteCounty Highway 15
Coordinates40.0023, -94.57501
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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating37.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length41 ft (12.5 m)
Longest span40 ft (12.2 m)
Deck width18 ft (5.6 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2024)
Projected traffic17 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 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 NW Bray RD over Br Third Fk Platte built?

It was built in 1989, making it 36 years old in 2025.

What condition is NW Bray RD over Br Third Fk Platte 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 December 2024.

How much traffic does NW Bray RD over Br Third Fk Platte carry?

About 15 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is NW Bray RD over Br Third Fk Platte?

The structure is 41 ft (12.5 m) long with a longest span of 40 ft (12.2 m) and a deck 18 ft wide.

Who owns NW Bray RD over Br Third Fk Platte?

It is owned by the County Highway Agency.