US Bridges

Palmer RD over Hazel CR

Fair

Washington County, Missouri · S 13 T 36 N R 1 W · Structure no. 14755

Built
1965
60 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete Continuous
Length
34 ft
3 main spans
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

Palmer RD over Hazel CR is a concrete continuous slab carrying Palmer RD over Hazel CR in Washington County, Missouri. It was built in 1965, so it is 60 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 15 vehicles a day, roughly 10% of them trucks, projected to reach 18 by 2044. The structure is 34 ft (10.4 m) long and 20 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesPalmer RD
CrossesHazel CR
LocationS 13 T 36 N R 1 W
RouteCounty Highway 75
Coordinates37.8405, -90.996
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length34 ft (10.4 m)
Longest span11 ft (3.5 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2024)
Projected traffic18 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Palmer RD over Hazel CR built?

It was built in 1965, making it 60 years old in 2025.

What condition is Palmer RD over Hazel CR in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.

How much traffic does Palmer RD over Hazel CR carry?

About 15 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Palmer RD over Hazel CR?

The structure is 34 ft (10.4 m) long with a longest span of 11 ft (3.5 m) and a deck 20 ft wide.

Who owns Palmer RD over Hazel CR?

It is owned by the County Highway Agency.