US Bridges

Fdr 106 over L Missouri River

Fair

Montgomery County, Arkansas · 10.1 MI E If Fdr 38 · Structure no. 080902000003066

Built
1936
89 years old
Condition
Fair
inspected December 2023
Type
Slab
Concrete
Length
104 ft
4 main spans
Daily traffic
150
1992 count
Owner
Federal
U.S. Forest Service

About this bridge

Fdr 106 over L Missouri River is a concrete slab carrying Fdr 106 over L Missouri River in Montgomery County, Arkansas. It was built in 1936, so it is 89 years old, older than the Arkansas 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 150 vehicles a day, roughly 5% of them trucks, projected to reach 225 by 2045. The structure is 104 ft (31.7 m) long and 13 ft wide. If it were closed, the detour would be 44.7 mi (72 km).

Location

Open in Google Maps
CarriesFdr 106
CrossesL Missouri River
Location10.1 MI E If Fdr 38
RouteFederal Lands Road 106
CountyMontgomery County
StateArkansas
Coordinates34.37599, -93.87777
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
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 inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 10
Structure length104 ft (31.7 m)
Longest span24 ft (7.3 m)
Deck width13 ft (4 m)
Roadway width11 ft (3.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (1992)
Projected traffic225 by 2045
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed44.7 mi (72 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Fdr 106 over L Missouri River built?

It was built in 1936, making it 89 years old in 2025.

What condition is Fdr 106 over L Missouri River 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 December 2023.

How much traffic does Fdr 106 over L Missouri River carry?

About 150 vehicles per day (1992 count), of which roughly 5% are trucks.

How long is Fdr 106 over L Missouri River?

The structure is 104 ft (31.7 m) long with a longest span of 24 ft (7.3 m) and a deck 13 ft wide.

Who owns Fdr 106 over L Missouri River?

It is owned by the U.S. Forest Service.