US Bridges

SW 86th Ave over SW 86th Ave

Good

Grundy County, Missouri · S 30 T 61 N R 25 W · Structure no. 36974

Built
2022
3 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
60 ft
1 main span
Daily traffic
20
2023 count
Owner
County
County Highway Agency

About this bridge

SW 86th Ave over SW 86th Ave is a steel stringer/multi-beam or girder carrying SW 86th Ave over SW 86th Ave in Grundy County, Missouri. It was built in 2022, so it is 3 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 20 vehicles a day, roughly 10% of them trucks, projected to reach 23 by 2043. The structure is 60 ft (18.3 m) long and 25 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesSW 86th Ave
CrossesSW 86th Ave
LocationS 30 T 61 N R 25 W
RouteCounty Highway 200
CountyGrundy County
StateMissouri
Coordinates40.04778, -93.75914
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.5 US tons
Inventory rating38.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span57 ft (17.5 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2023)
Projected traffic23 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 SW 86th Ave over SW 86th Ave built?

It was built in 2022, making it 3 years old in 2025.

What condition is SW 86th Ave over SW 86th Ave in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.

How much traffic does SW 86th Ave over SW 86th Ave carry?

About 20 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is SW 86th Ave over SW 86th Ave?

The structure is 60 ft (18.3 m) long with a longest span of 57 ft (17.5 m) and a deck 25 ft wide.

Who owns SW 86th Ave over SW 86th Ave?

It is owned by the County Highway Agency.