US Bridges

N Brighton Ave S over Is 35

Fair

Clay County, Missouri · S 32 T 51 N R 32 W · Structure no. 6409

Built
1954
71 years old, rebuilt 1976
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
261 ft
4 main spans
Daily traffic
4,998
2024 count
Owner
State
State Highway Agency

About this bridge

N Brighton Ave S over Is 35 is a steel continuous stringer/multi-beam or girder carrying N Brighton Ave S over Is 35 in Clay County, Missouri. It was built in 1954 and reconstructed in 1976, so it is 71 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.

It carries about 4,998 vehicles a day, roughly 5% of them trucks, projected to reach 7,997 by 2044. The structure is 261 ft (79.6 m) long and 58 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesN Brighton Ave S
CrossesIs 35
LocationS 32 T 51 N R 32 W
RouteCity Street 0
CountyClay County
StateMissouri
Coordinates39.18357, -94.52123
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.5 US tons
Inventory rating37.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length261 ft (79.6 m)
Longest span70 ft (21.3 m)
Deck width58 ft (17.8 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,998 (2024)
Projected traffic7,997 by 2044
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was N Brighton Ave S over Is 35 built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 1976.

What condition is N Brighton Ave S over Is 35 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 September 2024.

How much traffic does N Brighton Ave S over Is 35 carry?

About 4,998 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is N Brighton Ave S over Is 35?

The structure is 261 ft (79.6 m) long with a longest span of 70 ft (21.3 m) and a deck 58 ft wide.

Who owns N Brighton Ave S over Is 35?

It is owned by the State Highway Agency.