US Bridges

Maplewood Trail over Mid Fk Grand Rvr

PoorPosted for load

Worth County, Missouri · S 8 T 65 N R 31 W · Structure no. 20943

Built
1932
93 years old
Condition
Poor
inspected December 2024
Type
Truss - Thru
Steel
Length
292 ft
1 main span
Daily traffic
50
2024 count
Owner
County
County Highway Agency

About this bridge

Maplewood Trail over Mid Fk Grand Rvr is a steel truss - thru carrying Maplewood Trail over Mid Fk Grand Rvr in Worth County, Missouri. It was built in 1932, so it is 93 years old, older 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. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 58 by 2044. The structure is 292 ft (89 m) long and 23 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesMaplewood Trail
CrossesMid Fk Grand Rvr
LocationS 8 T 65 N R 31 W
RouteCounty Highway 281
Coordinates40.4457, -94.414
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating15.9 US tons
Inventory rating6 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+7 approach)
Design loadOther
Structure length292 ft (89 m)
Longest span100 ft (30.5 m)
Deck width23 ft (7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic58 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.8 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Maplewood Trail over Mid Fk Grand Rvr built?

It was built in 1932, making it 93 years old in 2025.

What condition is Maplewood Trail over Mid Fk Grand 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 Maplewood Trail over Mid Fk Grand Rvr carry?

About 50 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Maplewood Trail over Mid Fk Grand Rvr?

The structure is 292 ft (89 m) long with a longest span of 100 ft (30.5 m) and a deck 23 ft wide.

Who owns Maplewood Trail over Mid Fk Grand Rvr?

It is owned by the County Highway Agency.