US Bridges

Rt Z S over Keeney CR

Poor

Ray County, Missouri · S 26 T 51 N R 29 W · Structure no. 1473

Built
1966
59 years old
Condition
Poor
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
102 ft
3 main spans
Daily traffic
316
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Z S over Keeney CR is a steel stringer/multi-beam or girder carrying Rt Z S over Keeney CR in Ray County, Missouri. It was built in 1966, so it is 59 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 4 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 316 vehicles a day, roughly 11% of them trucks, projected to reach 458 by 2044. The structure is 102 ft (31.1 m) long and 31 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesRt Z S
CrossesKeeney CR
LocationS 26 T 51 N R 29 W
RouteState Highway 0Z
Coordinates39.19708, -94.11791
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating34.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length102 ft (31.1 m)
Longest span34 ft (10.5 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic316 (2024)
Projected traffic458 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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$695,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt Z S over Keeney CR built?

It was built in 1966, making it 59 years old in 2025.

What condition is Rt Z S over Keeney 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 November 2024.

How much traffic does Rt Z S over Keeney CR carry?

About 316 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Rt Z S over Keeney CR?

The structure is 102 ft (31.1 m) long with a longest span of 34 ft (10.5 m) and a deck 31 ft wide.

Who owns Rt Z S over Keeney CR?

It is owned by the State Highway Agency.