US Bridges

115th Trail over Br of Platte Rvr

Good

Worth County, Missouri · S 2 T 66 N R 33 W · Structure no. 31651

Built
2005
20 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
51 ft
1 main span
Daily traffic
35
2024 count
Owner
County
County Highway Agency

About this bridge

115th Trail over Br of Platte Rvr is a steel stringer/multi-beam or girder carrying 115th Trail over Br of Platte Rvr in Worth County, Missouri. It was built in 2005, so it is 20 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 35 vehicles a day, roughly 10% of them trucks, projected to reach 40 by 2044. The structure is 51 ft (15.5 m) long and 18 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries115th Trail
CrossesBr of Platte Rvr
LocationS 2 T 66 N R 33 W
RouteCounty Highway 20
Coordinates40.55219, -94.59765
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.7 US tons
Inventory rating19.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length51 ft (15.5 m)
Longest span50 ft (15.1 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2024)
Projected traffic40 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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 115th Trail over Br of Platte Rvr built?

It was built in 2005, making it 20 years old in 2025.

What condition is 115th Trail over Br of Platte Rvr 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 December 2024.

How much traffic does 115th Trail over Br of Platte Rvr carry?

About 35 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is 115th Trail over Br of Platte Rvr?

The structure is 51 ft (15.5 m) long with a longest span of 50 ft (15.1 m) and a deck 18 ft wide.

Who owns 115th Trail over Br of Platte Rvr?

It is owned by the County Highway Agency.