US Bridges

Garrison ST over N Fk Spring Rvr

PoorPosted for load

Jasper County, Missouri · S 33 T 29 N R 31 W · Structure no. 14669

Built
1928
97 years old
Condition
Poor
inspected February 2025
Type
Arch - Deck
Concrete
Length
512 ft
1 main span
Daily traffic
2,500
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Garrison ST over N Fk Spring Rvr is a concrete arch - deck carrying Garrison ST over N Fk Spring Rvr in Jasper County, Missouri. It was built in 1928, so it is 97 years old, older 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 3 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 2,500 vehicles a day, roughly 10% of them trucks, projected to reach 3,750 by 2043. The structure is 512 ft (156.1 m) long and 23 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesGarrison ST
CrossesN Fk Spring Rvr
LocationS 33 T 29 N R 31 W
RouteCity Street 0
Coordinates37.19091, -94.31235
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
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2025
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating6 US tons
Inventory rating4 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1 (+10 approach)
Design loadH 15
Structure length512 ft (156.1 m)
Longest span80 ft (24.4 m)
Deck width23 ft (7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,500 (2023)
Projected traffic3,750 by 2043
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$5.2 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Garrison ST over N Fk Spring Rvr built?

It was built in 1928, making it 97 years old in 2025.

What condition is Garrison ST over N Fk Spring 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 February 2025.

How much traffic does Garrison ST over N Fk Spring Rvr carry?

About 2,500 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Garrison ST over N Fk Spring Rvr?

The structure is 512 ft (156.1 m) long with a longest span of 80 ft (24.4 m) and a deck 23 ft wide.

Who owns Garrison ST over N Fk Spring Rvr?

It is owned by the City or Municipal Highway Agency.