US Bridges

Or 55 S over Glaize CR

Fair

Jefferson County, Missouri · S 30 T 42 N R 6 E · Structure no. 4353

Built
1995
30 years old
Condition
Fair
inspected November 2024
Type
Slab
Concrete Continuous
Length
175 ft
4 main spans
Daily traffic
6,830
2024 count
Owner
State
State Highway Agency

About this bridge

Or 55 S over Glaize CR is a concrete continuous slab carrying Or 55 S over Glaize CR in Jefferson County, Missouri. It was built in 1995, so it is 30 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 6,830 vehicles a day, roughly 5% of them trucks, projected to reach 12,294 by 2044. The structure is 175 ft (53.3 m) long and 66 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesOr 55 S
CrossesGlaize CR
LocationS 30 T 42 N R 6 E
RouteState Highway 55
Coordinates38.34803, -90.39653
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.4 US tons
Inventory rating44.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length175 ft (53.3 m)
Longest span44 ft (13.5 m)
Deck width66 ft (20 m)
Roadway width63 ft (19.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,830 (2024)
Projected traffic12,294 by 2044
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Or 55 S over Glaize CR built?

It was built in 1995, making it 30 years old in 2025.

What condition is Or 55 S over Glaize CR in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.

How much traffic does Or 55 S over Glaize CR carry?

About 6,830 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Or 55 S over Glaize CR?

The structure is 175 ft (53.3 m) long with a longest span of 44 ft (13.5 m) and a deck 66 ft wide.

Who owns Or 55 S over Glaize CR?

It is owned by the State Highway Agency.