US Bridges

Jarboe RD over Br of W Yellow CR

Fair

Linn County, Missouri · S 3 T 57 N R 19 W · Structure no. 23820

Built
1950
75 years old, rebuilt 2012
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
34 ft
1 main span
Daily traffic
40
2024 count
Owner
County
County Highway Agency

About this bridge

Jarboe RD over Br of W Yellow CR is a steel stringer/multi-beam or girder carrying Jarboe RD over Br of W Yellow CR in Linn County, Missouri. It was built in 1950 and reconstructed in 2012, so it is 75 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 40 vehicles a day, roughly 10% of them trucks, projected to reach 44 by 2044. The structure is 34 ft (10.4 m) long and 21 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesJarboe RD
CrossesBr of W Yellow CR
LocationS 3 T 57 N R 19 W
RouteCounty Highway 435
Coordinates39.77716, -93.02325
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.
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 inspectionNovember 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.7 US tons
Inventory rating23.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span32 ft (9.8 m)
Deck width21 ft (6.5 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2024)
Projected traffic44 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Jarboe RD over Br of W Yellow CR built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 2012.

What condition is Jarboe RD over Br of W Yellow 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 November 2024.

How much traffic does Jarboe RD over Br of W Yellow CR carry?

About 40 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Jarboe RD over Br of W Yellow CR?

The structure is 34 ft (10.4 m) long with a longest span of 32 ft (9.8 m) and a deck 21 ft wide.

Who owns Jarboe RD over Br of W Yellow CR?

It is owned by the County Highway Agency.