US Bridges

N Brighton over Big Shoal CR

FairPosted for load

Clay County, Missouri · S 17 T 51 N R 32 W · Structure no. 25335

Built
1978
47 years old
Condition
Fair
inspected April 2024
Type
Tee Beam
Prestressed Concrete
Length
125 ft
3 main spans
Daily traffic
4,462
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

N Brighton over Big Shoal CR is a prestressed concrete tee beam carrying N Brighton over Big Shoal CR in Clay County, Missouri. It was built in 1978, so it is 47 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 4,462 vehicles a day, roughly 2% of them trucks, projected to reach 7,139 by 2044. The structure is 125 ft (38.1 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesN Brighton
CrossesBig Shoal CR
LocationS 17 T 51 N R 32 W
RouteCity Street 0
CountyClay County
StateMissouri
Coordinates39.22614, -94.52053
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating37.7 US tons
Inventory rating23.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length125 ft (38.1 m)
Longest span41 ft (12.5 m)
Deck width36 ft (11 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,462 (2024)
Projected traffic7,139 by 2044
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 N Brighton over Big Shoal CR built?

It was built in 1978, making it 47 years old in 2025.

What condition is N Brighton over Big Shoal CR 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 April 2024.

How much traffic does N Brighton over Big Shoal CR carry?

About 4,462 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is N Brighton over Big Shoal CR?

The structure is 125 ft (38.1 m) long with a longest span of 41 ft (12.5 m) and a deck 36 ft wide.

Who owns N Brighton over Big Shoal CR?

It is owned by the City or Municipal Highway Agency.