US Bridges

W 250 Pl over Pony Br

PoorClosed to traffic

Harrison County, Missouri · S 22 T 64 N R 29 W · Structure no. 22930

Built
1932
93 years old, rebuilt 1980
Condition
Poor
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
26 ft
1 main span
Daily traffic
5
2024 count
Owner
County
County Highway Agency

About this bridge

W 250 Pl over Pony Br is a steel stringer/multi-beam or girder carrying W 250 Pl over Pony Br in Harrison County, Missouri. It was built in 1932 and reconstructed in 1980, 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: closed to all traffic.

It carries about 5 vehicles a day, roughly 10% of them trucks, projected to reach 6 by 2044. The structure is 26 ft (7.9 m) long and 14 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesW 250 Pl
CrossesPony Br
LocationS 22 T 64 N R 29 W
RouteCounty Highway 381
Coordinates40.33207, -94.14113
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadOther
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width14 ft (4.3 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2024)
Projected traffic6 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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$255,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was W 250 Pl over Pony Br built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1980.

What condition is W 250 Pl over Pony Br 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 March 2024.

How much traffic does W 250 Pl over Pony Br carry?

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

How long is W 250 Pl over Pony Br?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 14 ft wide.

Who owns W 250 Pl over Pony Br?

It is owned by the County Highway Agency.