US Bridges

FM over D.D.#125

Fair

Pocahontas County, Iowa · 090313602 · Structure no. 000000000277901

Built
1987
38 years old
Condition
Fair
inspected October 2023
Type
Culvert
Steel
Length
35 ft
3 main spans
Daily traffic
240
2022 count
Owner
County
County Highway Agency

About this bridge

FM over D.D.#125 is a steel culvert carrying FM over D.D.#125 in Pocahontas County, Iowa. It was built in 1987, so it is 38 years old, younger than the Iowa average of 45.5 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 240 vehicles a day, roughly 35% of them trucks, projected to reach 240 by 2043. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesFM
CrossesD.D.#125
Location090313602
RouteCounty Highway 0
CountyPocahontas County
StateIowa
Coordinates42.55982, -94.46263
Functional classRural Minor 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadH 20
Structure length35 ft (10.7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic240 (2022)
Projected traffic240 by 2043
Trucks35%
Lanes on structure2
Traffic directionTwo-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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$30,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over D.D.#125 built?

It was built in 1987, making it 38 years old in 2025.

What condition is FM over D.D.#125 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 October 2023.

How much traffic does FM over D.D.#125 carry?

About 240 vehicles per day (2022 count), of which roughly 35% are trucks.

How long is FM over D.D.#125?

The structure is 35 ft (10.7 m) long with a longest span of 10 ft (3 m).

Who owns FM over D.D.#125?

It is owned by the County Highway Agency.