US Bridges

Ia 93 over Crane Creek

Fair

Bremer County, Iowa · 0.6 Mi. E of Jct. US 63 · Structure no. 000000000015661

Built
1976
49 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete Continuous
Length
133 ft
3 main spans
Daily traffic
1,430
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 93 over Crane Creek is a concrete continuous slab carrying Ia 93 over Crane Creek in Bremer County, Iowa. It was built in 1976, so it is 49 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 5 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 1,430 vehicles a day, roughly 8% of them trucks, projected to reach 1,430 by 2042. The structure is 133 ft (40.5 m) long and 39 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

Open in Google Maps
CarriesIa 93
CrossesCrane Creek
Location0.6 Mi. E of Jct. US 63
RouteState Highway 93
CountyBremer County
StateIowa
Coordinates42.80276, -92.32595
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating34.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length133 ft (40.5 m)
Longest span51 ft (15.5 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,430 (2022)
Projected traffic1,430 by 2042
Trucks8%
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 93 over Crane Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is Ia 93 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 April 2024.

How much traffic does Ia 93 over Crane Creek carry?

About 1,430 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Ia 93 over Crane Creek?

The structure is 133 ft (40.5 m) long with a longest span of 51 ft (15.5 m) and a deck 39 ft wide.

Who owns Ia 93 over Crane Creek?

It is owned by the State Highway Agency.