US Bridges

460 TH Road over Br of W Fk Grand R

Poor

Gentry County, Missouri · S 16 T 63 N R 32 W · Structure no. 20393

Built
1998
27 years old
Condition
Poor
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
62 ft
1 main span
Daily traffic
20
2024 count
Owner
County
County Highway Agency

About this bridge

460 TH Road over Br of W Fk Grand R is a steel stringer/multi-beam or girder carrying 460 TH Road over Br of W Fk Grand R in Gentry County, Missouri. It was built in 1998, so it is 27 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 20 vehicles a day, roughly 10% of them trucks, projected to reach 23 by 2044. The structure is 62 ft (18.9 m) long and 18 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries460 TH Road
CrossesBr of W Fk Grand R
LocationS 16 T 63 N R 32 W
RouteCounty Highway 258
CountyGentry County
StateMissouri
Coordinates40.26146, -94.51928
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 inspectionFebruary 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating24.8 US tons
Inventory rating14.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length62 ft (18.9 m)
Longest span60 ft (18.3 m)
Deck width18 ft (5.6 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2024)
Projected traffic23 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-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$472,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 460 TH Road over Br of W Fk Grand R built?

It was built in 1998, making it 27 years old in 2025.

What condition is 460 TH Road over Br of W Fk Grand R 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 February 2023.

How much traffic does 460 TH Road over Br of W Fk Grand R carry?

About 20 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is 460 TH Road over Br of W Fk Grand R?

The structure is 62 ft (18.9 m) long with a longest span of 60 ft (18.3 m) and a deck 18 ft wide.

Who owns 460 TH Road over Br of W Fk Grand R?

It is owned by the County Highway Agency.