US Bridges

NB N Brighton over Mill CR

Good

Clay County, Missouri · S 32 T 51 N R 32 W · Structure no. 33900

Built
2009
16 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
269 ft
4 main spans
Daily traffic
3,152
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

NB N Brighton over Mill CR is a prestressed concrete stringer/multi-beam or girder carrying NB N Brighton over Mill CR in Clay County, Missouri. It was built in 2009, so it is 16 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 3,152 vehicles a day, roughly 2% of them trucks, projected to reach 5,043 by 2044. The structure is 269 ft (82 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNB N Brighton
CrossesMill CR
LocationS 32 T 51 N R 32 W
RouteCity Street 0
Coordinates39.19398, -94.521
Functional classUrban Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.3 US tons
Inventory rating53.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length269 ft (82 m)
Longest span72 ft (21.9 m)
Deck width40 ft (12.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,152 (2024)
Projected traffic5,043 by 2044
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 NB N Brighton over Mill CR built?

It was built in 2009, making it 16 years old in 2025.

What condition is NB N Brighton over Mill CR 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 April 2024.

How much traffic does NB N Brighton over Mill CR carry?

About 3,152 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is NB N Brighton over Mill CR?

The structure is 269 ft (82 m) long with a longest span of 72 ft (21.9 m) and a deck 40 ft wide.

Who owns NB N Brighton over Mill CR?

It is owned by the City or Municipal Highway Agency.