US Bridges

Mo 174 E over Turnback CR

Good

Lawrence County, Missouri · S 24 T 28 N R 25 W · Structure no. 4367

Built
1995
30 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
187 ft
3 main spans
Daily traffic
3,276
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 174 E over Turnback CR is a prestressed concrete continuous stringer/multi-beam or girder carrying Mo 174 E over Turnback CR in Lawrence County, Missouri. It was built in 1995, so it is 30 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 3,276 vehicles a day, roughly 10% of them trucks, projected to reach 4,750 by 2044. The structure is 187 ft (57 m) long and 41 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesMo 174 E
CrossesTurnback CR
LocationS 24 T 28 N R 25 W
RouteState Highway 174
Coordinates37.12127, -93.61144
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.4 US tons
Inventory rating39.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length187 ft (57 m)
Longest span63 ft (19.1 m)
Deck width41 ft (12.6 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,276 (2024)
Projected traffic4,750 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 174 E over Turnback CR built?

It was built in 1995, making it 30 years old in 2025.

What condition is Mo 174 E over Turnback CR 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 Mo 174 E over Turnback CR carry?

About 3,276 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Mo 174 E over Turnback CR?

The structure is 187 ft (57 m) long with a longest span of 63 ft (19.1 m) and a deck 41 ft wide.

Who owns Mo 174 E over Turnback CR?

It is owned by the State Highway Agency.