US Bridges

Rt Yy S over White Oak CR

PoorPosted for load

Lawrence County, Missouri · S 17 T 29 N R 28 W · Structure no. 7157

Built
1959
66 years old
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
119 ft
3 main spans
Daily traffic
71
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Yy S over White Oak CR is a steel stringer/multi-beam or girder carrying Rt Yy S over White Oak CR in Lawrence County, Missouri. It was built in 1959, so it is 66 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 71 vehicles a day, roughly 12% of them trucks, projected to reach 103 by 2044. The structure is 119 ft (36.3 m) long and 22 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesRt Yy S
CrossesWhite Oak CR
LocationS 17 T 29 N R 28 W
RouteState Highway 0YY
Coordinates37.22326, -94.01424
Functional classRural Minor 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.
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 inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating23.8 US tons
Inventory rating12.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 10
Structure length119 ft (36.3 m)
Longest span51 ft (15.6 m)
Deck width22 ft (6.8 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic71 (2024)
Projected traffic103 by 2044
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.2 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt Yy S over White Oak CR built?

It was built in 1959, making it 66 years old in 2025.

What condition is Rt Yy S over White Oak 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 Yy S over White Oak CR carry?

About 71 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is Rt Yy S over White Oak CR?

The structure is 119 ft (36.3 m) long with a longest span of 51 ft (15.6 m) and a deck 22 ft wide.

Who owns Rt Yy S over White Oak CR?

It is owned by the State Highway Agency.