US Bridges

Moss Hollow RD over Trib of Glaize CR

FairPosted for load

Jefferson County, Missouri · S 335 T 42 N R 5 E · Structure no. 16683

Built
1985
40 years old, rebuilt 1998
Condition
Fair
inspected February 2025
Type
Tee Beam
Prestressed Concrete
Length
107 ft
3 main spans
Daily traffic
1,173
2023 count
Owner
County
County Highway Agency

About this bridge

Moss Hollow RD over Trib of Glaize CR is a prestressed concrete tee beam carrying Moss Hollow RD over Trib of Glaize CR in Jefferson County, Missouri. It was built in 1985 and reconstructed in 1998, so it is 40 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. Its operating status is: posted for load restriction.

It carries about 1,173 vehicles a day, roughly 10% of them trucks, projected to reach 1,994 by 2043. The structure is 107 ft (32.6 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesMoss Hollow RD
CrossesTrib of Glaize CR
LocationS 335 T 42 N R 5 E
RouteCounty Highway 106
Coordinates38.35457, -90.42506
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.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.4 US tons
Inventory rating45.6 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length107 ft (32.6 m)
Longest span34 ft (10.4 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,173 (2023)
Projected traffic1,994 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Moss Hollow RD over Trib of Glaize CR built?

It was built in 1985, making it 40 years old in 2025. It was reconstructed in 1998.

What condition is Moss Hollow RD over Trib of 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 February 2025.

How much traffic does Moss Hollow RD over Trib of Glaize CR carry?

About 1,173 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Moss Hollow RD over Trib of Glaize CR?

The structure is 107 ft (32.6 m) long with a longest span of 34 ft (10.4 m) and a deck 31 ft wide.

Who owns Moss Hollow RD over Trib of Glaize CR?

It is owned by the County Highway Agency.