US Bridges

Idlewood RD S over Mo 179

Good

Cole County, Missouri · S 23 T 44 N R 12 W · Structure no. 29601

Built
2003
22 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
283 ft
4 main spans
Daily traffic
1,932
2024 count
Owner
State
State Highway Agency

About this bridge

Idlewood RD S over Mo 179 is a prestressed concrete continuous stringer/multi-beam or girder carrying Idlewood RD S over Mo 179 in Cole County, Missouri. It was built in 2003, so it is 22 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,932 vehicles a day, roughly 12% of them trucks, projected to reach 3,091 by 2044. The structure is 283 ft (86.3 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIdlewood RD S
CrossesMo 179
LocationS 23 T 44 N R 12 W
RouteCity Street 0
Coordinates38.54102, -92.21488
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.4 US tons
Inventory rating45.6 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length283 ft (86.3 m)
Longest span84 ft (25.5 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,932 (2024)
Projected traffic3,091 by 2044
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Idlewood RD S over Mo 179 built?

It was built in 2003, making it 22 years old in 2025.

What condition is Idlewood RD S over Mo 179 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does Idlewood RD S over Mo 179 carry?

About 1,932 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is Idlewood RD S over Mo 179?

The structure is 283 ft (86.3 m) long with a longest span of 84 ft (25.5 m) and a deck 42 ft wide.

Who owns Idlewood RD S over Mo 179?

It is owned by the State Highway Agency.