US Bridges

S Irwin ST over Turkey CR

Fair

Jasper County, Missouri · S 10 T 27 N R 32 W · Structure no. 25032

Built
1930
95 years old, rebuilt 1953
Condition
Fair
inspected January 2025
Type
Slab
Concrete
Length
27 ft
2 main spans
Daily traffic
200
2023 count
Owner
County
County Highway Agency

About this bridge

S Irwin ST over Turkey CR is a concrete slab carrying S Irwin ST over Turkey CR in Jasper County, Missouri. It was built in 1930 and reconstructed in 1953, so it is 95 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 5 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 200 vehicles a day, roughly 10% of them trucks, projected to reach 300 by 2043. The structure is 27 ft (8.2 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesS Irwin ST
CrossesTurkey CR
LocationS 10 T 27 N R 32 W
RouteCounty Highway 603
CountyJasper County
StateMissouri
Coordinates37.07384, -94.41387
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.8 US tons
Inventory rating15.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 10
Structure length27 ft (8.2 m)
Longest span12 ft (3.7 m)
Deck width30 ft (9.2 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2023)
Projected traffic300 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$185,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S Irwin ST over Turkey CR built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1953.

What condition is S Irwin ST over Turkey 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 January 2025.

How much traffic does S Irwin ST over Turkey CR carry?

About 200 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is S Irwin ST over Turkey CR?

The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.7 m) and a deck 30 ft wide.

Who owns S Irwin ST over Turkey CR?

It is owned by the County Highway Agency.