US Bridges

NW 80th RD over Trib Lit Drywood C

Fair

Barton County, Missouri · S 13 T 33 N R 32 W · Structure no. 15250

Built
1996
29 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
24 ft
1 main span
Daily traffic
30
2023 count
Owner
County
County Highway Agency

About this bridge

NW 80th RD over Trib Lit Drywood C is a steel stringer/multi-beam or girder carrying NW 80th RD over Trib Lit Drywood C in Barton County, Missouri. It was built in 1996, so it is 29 years old, younger 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 42 by 2043. The structure is 24 ft (7.3 m) long and 17 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesNW 80th RD
CrossesTrib Lit Drywood C
LocationS 13 T 33 N R 32 W
RouteCounty Highway 89
Coordinates37.61982, -94.38962
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
Deck8 Very GoodNo problems noted.
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 inspectionMarch 2023
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating49.6 US tons
Inventory rating29.8 US tons

Structure

MaterialSteel
DeckOpen grating
Main spans1
Design loadOther
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width17 ft (5.1 m)
Roadway width17 ft (5.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2023)
Projected traffic42 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$174,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was NW 80th RD over Trib Lit Drywood C built?

It was built in 1996, making it 29 years old in 2025.

What condition is NW 80th RD over Trib Lit Drywood C 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 2023.

How much traffic does NW 80th RD over Trib Lit Drywood C carry?

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

How long is NW 80th RD over Trib Lit Drywood C?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m) and a deck 17 ft wide.

Who owns NW 80th RD over Trib Lit Drywood C?

It is owned by the County Highway Agency.