US Bridges

Ia 25 over Beaver Creek

Fair

Guthrie County, Iowa · 5.4 Mi. S of Jct. Ia 44 · Structure no. 000000000026091

Built
1977
48 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete Continuous
Length
50 ft
3 main spans
Daily traffic
1,540
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 25 over Beaver Creek is a concrete continuous culvert carrying Ia 25 over Beaver Creek in Guthrie County, Iowa. It was built in 1977, so it is 48 years old, older 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 1,540 vehicles a day, roughly 20% of them trucks, projected to reach 1,540 by 2044. The structure is 50 ft (15.2 m) long. If it were closed, the detour would be 18 mi (29 km).

CarriesIa 25
CrossesBeaver Creek
Location5.4 Mi. S of Jct. Ia 44
RouteState Highway 25
StateIowa
Coordinates41.60241, -94.49055
Functional classRural Minor Arterial

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.5 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span18 ft (5.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,540 (2022)
Projected traffic1,540 by 2044
Trucks20%
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

OwnerState Highway Agency
Maintained byState 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 Ia 25 over Beaver Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is Ia 25 over Beaver Creek 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 November 2024.

How much traffic does Ia 25 over Beaver Creek carry?

About 1,540 vehicles per day (2022 count), of which roughly 20% are trucks.

How long is Ia 25 over Beaver Creek?

The structure is 50 ft (15.2 m) long with a longest span of 18 ft (5.5 m).

Who owns Ia 25 over Beaver Creek?

It is owned by the State Highway Agency.