US Bridges

Penich Ave over Unnamed Str

PoorPosted for load

Chariton County, Missouri · S 3 T 54 N R 20 W · Structure no. 20787

Built
1950
75 years old
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
25 ft
1 main span
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

Penich Ave over Unnamed Str is a steel stringer/multi-beam or girder carrying Penich Ave over Unnamed Str in Chariton County, Missouri. It was built in 1950, so it is 75 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 15 vehicles a day, roughly 10% of them trucks, projected to reach 17 by 2044. The structure is 25 ft (7.6 m) long and 17 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesPenich Ave
CrossesUnnamed Str
LocationS 3 T 54 N R 20 W
RouteCounty Highway 275
Coordinates39.52562, -93.13117
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating16.9 US tons
Inventory rating8.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length25 ft (7.6 m)
Longest span23 ft (7 m)
Deck width17 ft (5.1 m)
Roadway width17 ft (5.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2024)
Projected traffic17 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$255,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Penich Ave over Unnamed Str built?

It was built in 1950, making it 75 years old in 2025.

What condition is Penich Ave over Unnamed Str 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 September 2024.

How much traffic does Penich Ave over Unnamed Str carry?

About 15 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Penich Ave over Unnamed Str?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 17 ft wide.

Who owns Penich Ave over Unnamed Str?

It is owned by the County Highway Agency.