US Bridges

County RD 270 over Trib of Murphy CR

Fair

Jasper County, Missouri · S 22 T 30 N R 33 W · Structure no. 12593

Built
1930
95 years old
Condition
Fair
inspected January 2025
Type
Slab
Concrete
Length
30 ft
2 main spans
Daily traffic
30
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 270 over Trib of Murphy CR is a concrete slab carrying County RD 270 over Trib of Murphy CR in Jasper County, Missouri. It was built in 1930, so it is 95 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.

It carries about 30 vehicles a day, roughly 10% of them trucks, projected to reach 45 by 2043. The structure is 30 ft (9.1 m) long and 19 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCounty RD 270
CrossesTrib of Murphy CR
LocationS 22 T 30 N R 33 W
RouteCounty Highway 15
CountyJasper County
StateMissouri
Coordinates37.33874, -94.53933
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.
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 inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.7 US tons
Inventory rating18.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length30 ft (9.1 m)
Longest span14 ft (4.3 m)
Deck width19 ft (5.9 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2023)
Projected traffic45 by 2043
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 270 over Trib of Murphy CR built?

It was built in 1930, making it 95 years old in 2025.

What condition is County RD 270 over Trib of Murphy 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 January 2025.

How much traffic does County RD 270 over Trib of Murphy CR carry?

About 30 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 270 over Trib of Murphy CR?

The structure is 30 ft (9.1 m) long with a longest span of 14 ft (4.3 m) and a deck 19 ft wide.

Who owns County RD 270 over Trib of Murphy CR?

It is owned by the County Highway Agency.