US Bridges

Ia 188 over Crane Creek

Fair

Bremer County, Iowa · 1.0 Mi. W of Jct. US 63 · Structure no. 000000000015790

Built
1926
99 years old, rebuilt 1951
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
710
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 188 over Crane Creek is a steel stringer/multi-beam or girder carrying Ia 188 over Crane Creek in Bremer County, Iowa. It was built in 1926 and reconstructed in 1951, so it is 99 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 710 vehicles a day, roughly 17% of them trucks, projected to reach 710 by 2044. The structure is 40 ft (12.2 m) long and 35 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesIa 188
CrossesCrane Creek
Location1.0 Mi. W of Jct. US 63
RouteState Highway 188
CountyBremer County
StateIowa
Coordinates42.84778, -92.35859
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.6 US tons
Inventory rating40 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length40 ft (12.2 m)
Longest span37 ft (11.3 m)
Deck width35 ft (10.7 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic710 (2022)
Projected traffic710 by 2044
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 188 over Crane Creek built?

It was built in 1926, making it 99 years old in 2025. It was reconstructed in 1951.

What condition is Ia 188 over Crane 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 March 2024.

How much traffic does Ia 188 over Crane Creek carry?

About 710 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is Ia 188 over Crane Creek?

The structure is 40 ft (12.2 m) long with a longest span of 37 ft (11.3 m) and a deck 35 ft wide.

Who owns Ia 188 over Crane Creek?

It is owned by the State Highway Agency.