US Bridges

125th ST over Stream

Fair

Clayton County, Iowa · 095051603 · Structure no. 000000000121150

Built
1957
68 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
56 ft
3 main spans
Daily traffic
73
2022 count
Owner
County
County Highway Agency

About this bridge

125th ST over Stream is a concrete culvert carrying 125th ST over Stream in Clayton County, Iowa. It was built in 1957, so it is 68 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 73 vehicles a day, projected to reach 73 by 2044. The structure is 56 ft (17.1 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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Carries125th ST
CrossesStream
Location095051603
RouteCounty Highway 0
CountyClayton County
StateIowa
Coordinates43.04443, -91.43551
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34 US tons
Inventory rating25 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length56 ft (17.1 m)
Longest span17 ft (5.2 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic73 (2022)
Projected traffic73 by 2044
Trucks0%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 125th ST over Stream built?

It was built in 1957, making it 68 years old in 2025.

What condition is 125th ST over Stream 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 2024.

How much traffic does 125th ST over Stream carry?

About 73 vehicles per day (2022 count).

How long is 125th ST over Stream?

The structure is 56 ft (17.1 m) long with a longest span of 17 ft (5.2 m) and a deck 32 ft wide.

Who owns 125th ST over Stream?

It is owned by the County Highway Agency.