US Bridges

Birch Trail over Br of Platte Rvr

Poor

Worth County, Missouri · S 35 T 67 N R 33 W · Structure no. 12231

Built
1992
33 years old
Condition
Poor
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
64 ft
1 main span
Daily traffic
5
2024 count
Owner
County
County Highway Agency

About this bridge

Birch Trail over Br of Platte Rvr is a steel stringer/multi-beam or girder carrying Birch Trail over Br of Platte Rvr in Worth County, Missouri. It was built in 1992, so it is 33 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 5 vehicles a day, roughly 10% of them trucks, projected to reach 6 by 2044. The structure is 64 ft (19.5 m) long and 18 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesBirch Trail
CrossesBr of Platte Rvr
LocationS 35 T 67 N R 33 W
RouteCounty Highway 3
CountyWorth County
StateMissouri
Coordinates40.55958, -94.60293
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating38.7 US tons
Inventory rating13.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length64 ft (19.5 m)
Longest span64 ft (19.5 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2024)
Projected traffic6 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$494,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Birch Trail over Br of Platte Rvr built?

It was built in 1992, making it 33 years old in 2025.

What condition is Birch Trail over Br of Platte Rvr in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2024.

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

About 5 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Birch Trail over Br of Platte Rvr?

The structure is 64 ft (19.5 m) long with a longest span of 64 ft (19.5 m) and a deck 18 ft wide.

Who owns Birch Trail over Br of Platte Rvr?

It is owned by the County Highway Agency.