US Bridges

Loeb RD over Trib of Dry Fk

FairPosted for load

Gasconade County, Missouri · S 25 T 41 N R 6 W · Structure no. 16576

Built
1939
86 years old
Condition
Fair
inspected March 2024
Type
Tee Beam
Concrete
Length
45 ft
1 main span
Daily traffic
30
2024 count
Owner
County
County Highway Agency

About this bridge

Loeb RD over Trib of Dry Fk is a concrete tee beam carrying Loeb RD over Trib of Dry Fk in Gasconade County, Missouri. It was built in 1939, so it is 86 years old, older 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 30 vehicles a day, roughly 10% of them trucks, projected to reach 36 by 2044. The structure is 45 ft (13.7 m) long and 19 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesLoeb RD
CrossesTrib of Dry Fk
LocationS 25 T 41 N R 6 W
RouteCounty Highway 125
CountyGasconade County
StateMissouri
Coordinates38.26592, -91.54542
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating11.9 US tons
Inventory rating8.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length45 ft (13.7 m)
Longest span41 ft (12.5 m)
Deck width19 ft (5.8 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2024)
Projected traffic36 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$366,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Loeb RD over Trib of Dry Fk built?

It was built in 1939, making it 86 years old in 2025.

What condition is Loeb RD over Trib of Dry Fk 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 March 2024.

How much traffic does Loeb RD over Trib of Dry Fk carry?

About 30 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Loeb RD over Trib of Dry Fk?

The structure is 45 ft (13.7 m) long with a longest span of 41 ft (12.5 m) and a deck 19 ft wide.

Who owns Loeb RD over Trib of Dry Fk?

It is owned by the County Highway Agency.