US Bridges

270th RD over Fish CR

FairPosted for load

Saline County, Missouri · S 30 T 51 N R 18 W · Structure no. 20928

Built
1970
55 years old
Condition
Fair
inspected March 2024
Type
Channel Beam
Concrete Continuous
Length
40 ft
1 main span
Daily traffic
50
2024 count
Owner
County
County Highway Agency

About this bridge

270th RD over Fish CR is a concrete continuous channel beam carrying 270th RD over Fish CR in Saline County, Missouri. It was built in 1970, so it is 55 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 55 by 2044. The structure is 40 ft (12.2 m) long and 16 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries270th RD
CrossesFish CR
LocationS 30 T 51 N R 18 W
RouteCounty Highway 280
Coordinates39.17445, -92.92188
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating14.9 US tons
Inventory rating10.9 US tons

Structure

Structure typeChannel Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans1
Design loadH 10
Structure length40 ft (12.2 m)
Longest span39 ft (11.9 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic55 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 byOther Local 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$344,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 270th RD over Fish CR built?

It was built in 1970, making it 55 years old in 2025.

What condition is 270th RD over Fish 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 March 2024.

How much traffic does 270th RD over Fish CR carry?

About 50 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is 270th RD over Fish CR?

The structure is 40 ft (12.2 m) long with a longest span of 39 ft (11.9 m) and a deck 16 ft wide.

Who owns 270th RD over Fish CR?

It is owned by the County Highway Agency and maintained by the Other Local Agency.