US Bridges

F 25 160th Road over Mosquito Creek

Good

Guthrie County, Iowa · 080300101 · Structure no. 000000000168751

Built
2022
3 years old
Condition
Good
inspected December 2022
Type
Slab
Concrete Continuous
Length
131 ft
3 main spans
Daily traffic
289
2022 count
Owner
County
County Highway Agency

About this bridge

F 25 160th Road over Mosquito Creek is a concrete continuous slab carrying F 25 160th Road over Mosquito Creek in Guthrie County, Iowa. It was built in 2022, so it is 3 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 289 vehicles a day, roughly 18% of them trucks, projected to reach 289 by 2042. The structure is 131 ft (39.9 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesF 25 160th Road
CrossesMosquito Creek
Location080300101
RouteCounty Highway 0
CountyGuthrie County
StateIowa
Coordinates41.77657, -94.28181
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59.3 US tons
Inventory rating45.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length131 ft (39.9 m)
Longest span51 ft (15.5 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic289 (2022)
Projected traffic289 by 2042
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was F 25 160th Road over Mosquito Creek built?

It was built in 2022, making it 3 years old in 2025.

What condition is F 25 160th Road over Mosquito Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2022.

How much traffic does F 25 160th Road over Mosquito Creek carry?

About 289 vehicles per day (2022 count), of which roughly 18% are trucks.

How long is F 25 160th Road over Mosquito Creek?

The structure is 131 ft (39.9 m) long with a longest span of 51 ft (15.5 m) and a deck 33 ft wide.

Who owns F 25 160th Road over Mosquito Creek?

It is owned by the County Highway Agency.