US Bridges

Minimun RD over Crane Pond CR

Fair

Iron County, Missouri · S 3 T 31 N R 4 E · Structure no. 16836

Built
1950
75 years old
Condition
Fair
inspected February 2025
Type
Slab
Concrete Continuous
Length
40 ft
6 main spans
Daily traffic
75
2023 count
Owner
County
County Highway Agency

About this bridge

Minimun RD over Crane Pond CR is a concrete continuous slab carrying Minimun RD over Crane Pond CR in Iron County, Missouri. It was built in 1950, so it is 75 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 5 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 75 vehicles a day, roughly 10% of them trucks, projected to reach 90 by 2043. The structure is 40 ft (12.2 m) long and 22 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

Open in Google Maps
CarriesMinimun RD
CrossesCrane Pond CR
LocationS 3 T 31 N R 4 E
RouteCounty Highway 134
CountyIron County
StateMissouri
Coordinates37.4053, -90.5916
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadOther
Structure length40 ft (12.2 m)
Longest span6 ft (1.8 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2023)
Projected traffic90 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 Minimun RD over Crane Pond CR built?

It was built in 1950, making it 75 years old in 2025.

What condition is Minimun RD over Crane Pond 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 Minimun RD over Crane Pond CR carry?

About 75 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Minimun RD over Crane Pond CR?

The structure is 40 ft (12.2 m) long with a longest span of 6 ft (1.8 m) and a deck 22 ft wide.

Who owns Minimun RD over Crane Pond CR?

It is owned by the County Highway Agency.