US Bridges

N Thompson Ave over Fk of Fishing Rvr

PoorPosted for load

Clay County, Missouri · S 1 T 52 N R 30 W · Structure no. 16918

Built
1990
35 years old
Condition
Poor
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
90
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

N Thompson Ave over Fk of Fishing Rvr is a steel stringer/multi-beam or girder carrying N Thompson Ave over Fk of Fishing Rvr in Clay County, Missouri. It was built in 1990, so it is 35 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 90 vehicles a day, roughly 10% of them trucks, projected to reach 144 by 2044. The structure is 41 ft (12.5 m) long and 37 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesN Thompson Ave
CrossesFk of Fishing Rvr
LocationS 1 T 52 N R 30 W
RouteCity Street 0
Coordinates39.34383, -94.22516
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.6 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length41 ft (12.5 m)
Longest span39 ft (11.9 m)
Deck width37 ft (11.3 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (2024)
Projected traffic144 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$234,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was N Thompson Ave over Fk of Fishing Rvr built?

It was built in 1990, making it 35 years old in 2025.

What condition is N Thompson Ave over Fk of Fishing Rvr in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2023.

How much traffic does N Thompson Ave over Fk of Fishing Rvr carry?

About 90 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is N Thompson Ave over Fk of Fishing Rvr?

The structure is 41 ft (12.5 m) long with a longest span of 39 ft (11.9 m) and a deck 37 ft wide.

Who owns N Thompson Ave over Fk of Fishing Rvr?

It is owned by the City or Municipal Highway Agency.