US Bridges

Rt O S over Turnback CR

Poor

Lawrence County, Missouri · S 2 T 28 N R 25 W · Structure no. 8527

Built
1963
62 years old, rebuilt 1995
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
159 ft
3 main spans
Daily traffic
596
2024 count
Owner
State
State Highway Agency

About this bridge

Rt O S over Turnback CR is a steel continuous stringer/multi-beam or girder carrying Rt O S over Turnback CR in Lawrence County, Missouri. It was built in 1963 and reconstructed in 1995, so it is 62 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.

It carries about 596 vehicles a day, roughly 11% of them trucks, projected to reach 864 by 2044. The structure is 159 ft (48.5 m) long and 24 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesRt O S
CrossesTurnback CR
LocationS 2 T 28 N R 25 W
RouteState Highway 0O
Coordinates37.15942, -93.63557
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length159 ft (48.5 m)
Longest span60 ft (18.3 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic596 (2024)
Projected traffic864 by 2044
Trucks11%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.1 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt O S over Turnback CR built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1995.

What condition is Rt O S over Turnback CR 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 July 2024.

How much traffic does Rt O S over Turnback CR carry?

About 596 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Rt O S over Turnback CR?

The structure is 159 ft (48.5 m) long with a longest span of 60 ft (18.3 m) and a deck 24 ft wide.

Who owns Rt O S over Turnback CR?

It is owned by the State Highway Agency.