US Bridges

Delbridge RD over Clear CR

Poor

Washington County, Missouri · S 28 T 36 N R 2 E · Structure no. 14937

Built
1955
70 years old, rebuilt 1990
Condition
Poor
inspected April 2024
Type
Slab
Concrete Continuous
Length
26 ft
1 main span
Daily traffic
35
2024 count
Owner
County
County Highway Agency

About this bridge

Delbridge RD over Clear CR is a concrete continuous slab carrying Delbridge RD over Clear CR in Washington County, Missouri. It was built in 1955 and reconstructed in 1990, so it is 70 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 35 vehicles a day, roughly 10% of them trucks, projected to reach 42 by 2044. The structure is 26 ft (7.9 m) long and 18 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesDelbridge RD
CrossesClear CR
LocationS 28 T 36 N R 2 E
RouteCounty Highway 80
Coordinates37.8113, -90.8351
Functional classRural Local

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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be 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 spans1
Design loadOther
Structure length26 ft (7.9 m)
Longest span22 ft (6.7 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2024)
Projected traffic42 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$255,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Delbridge RD over Clear CR built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1990.

What condition is Delbridge RD over Clear 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 April 2024.

How much traffic does Delbridge RD over Clear CR carry?

About 35 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Delbridge RD over Clear CR?

The structure is 26 ft (7.9 m) long with a longest span of 22 ft (6.7 m) and a deck 18 ft wide.

Who owns Delbridge RD over Clear CR?

It is owned by the County Highway Agency.