US Bridges

County RD 284 over Trib to Spring Rvr

Fair

Jasper County, Missouri · S 30 T 29 N R 33 W · Structure no. 19687

Built
1946
79 years old
Condition
Fair
inspected January 2025
Type
Tee Beam
Concrete Continuous
Length
65 ft
4 main spans
Daily traffic
200
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 284 over Trib to Spring Rvr is a concrete continuous tee beam carrying County RD 284 over Trib to Spring Rvr in Jasper County, Missouri. It was built in 1946, so it is 79 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 200 vehicles a day, roughly 10% of them trucks, projected to reach 300 by 2043. The structure is 65 ft (19.8 m) long and 23 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCounty RD 284
CrossesTrib to Spring Rvr
LocationS 30 T 29 N R 33 W
RouteCounty Highway 230
CountyJasper County
StateMissouri
Coordinates37.21541, -94.56721
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.7 US tons
Inventory rating18.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadOther
Structure length65 ft (19.8 m)
Longest span16 ft (4.9 m)
Deck width23 ft (7.1 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2023)
Projected traffic300 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 284 over Trib to Spring Rvr built?

It was built in 1946, making it 79 years old in 2025.

What condition is County RD 284 over Trib to Spring Rvr 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 284 over Trib to Spring Rvr carry?

About 200 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 284 over Trib to Spring Rvr?

The structure is 65 ft (19.8 m) long with a longest span of 16 ft (4.9 m) and a deck 23 ft wide.

Who owns County RD 284 over Trib to Spring Rvr?

It is owned by the County Highway Agency.