US Bridges

Glassen RD over Unnamed Str

Good

Chariton County, Missouri · S 2 T 54 N R 17 W · Structure no. 24280

Built
1991
34 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
46 ft
1 main span
Daily traffic
5
2024 count
Owner
County
County Highway Agency

About this bridge

Glassen RD over Unnamed Str is a steel stringer/multi-beam or girder carrying Glassen RD over Unnamed Str in Chariton County, Missouri. It was built in 1991, so it is 34 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5 vehicles a day, roughly 10% of them trucks, projected to reach 6 by 2044. The structure is 46 ft (14 m) long and 25 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesGlassen RD
CrossesUnnamed Str
LocationS 2 T 54 N R 17 W
RouteCounty Highway 472
Coordinates39.50443, -92.78002
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating39.7 US tons
Inventory rating25.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length46 ft (14 m)
Longest span45 ft (13.7 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.4 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 closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Glassen RD over Unnamed Str built?

It was built in 1991, making it 34 years old in 2025.

What condition is Glassen RD over Unnamed Str in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does Glassen RD over Unnamed Str carry?

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

How long is Glassen RD over Unnamed Str?

The structure is 46 ft (14 m) long with a longest span of 45 ft (13.7 m) and a deck 25 ft wide.

Who owns Glassen RD over Unnamed Str?

It is owned by the County Highway Agency.