US Bridges

Harmony RD over Trib to Spring Rvr

Fair

Jasper County, Missouri · S 8 T 28 N R 30 W · Structure no. 24479

Built
1940
85 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete
Length
38 ft
3 main spans
Daily traffic
100
2024 count
Owner
County
County Highway Agency

About this bridge

Harmony RD over Trib to Spring Rvr is a concrete culvert carrying Harmony RD over Trib to Spring Rvr in Jasper County, Missouri. It was built in 1940, so it is 85 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 150 by 2044. The structure is 38 ft (11.6 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesHarmony RD
CrossesTrib to Spring Rvr
LocationS 8 T 28 N R 30 W
RouteCounty Highway 498
CountyJasper County
StateMissouri
Coordinates37.16456, -94.22266
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 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 geometry6: Equal to present minimum criteria
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 typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length38 ft (11.6 m)
Longest span12 ft (3.7 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic150 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Harmony RD over Trib to Spring Rvr built?

It was built in 1940, making it 85 years old in 2025.

What condition is Harmony RD 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 December 2024.

How much traffic does Harmony RD over Trib to Spring Rvr carry?

About 100 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Harmony RD over Trib to Spring Rvr?

The structure is 38 ft (11.6 m) long with a longest span of 12 ft (3.7 m) and a deck 26 ft wide.

Who owns Harmony RD over Trib to Spring Rvr?

It is owned by the County Highway Agency.