US Bridges

B35 255th ST over Crane Creek

Fair

Cerro Gordo County, Iowa · 096211403 · Structure no. 000000000019081

Built
1977
48 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete Continuous
Length
93 ft
3 main spans
Daily traffic
5,106
2022 count
Owner
County
County Highway Agency

About this bridge

B35 255th ST over Crane Creek is a concrete continuous slab carrying B35 255th ST over Crane Creek in Cerro Gordo 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 5,106 vehicles a day, roughly 14% of them trucks, projected to reach 5,106 by 2044. The structure is 93 ft (28.3 m) long and 46 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesB35 255th ST
CrossesCrane Creek
Location096211403
RouteCounty Highway 0
StateIowa
Coordinates43.13368, -93.29153
Functional classRural Major Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating63.5 US tons
Inventory rating37.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length93 ft (28.3 m)
Longest span39 ft (11.9 m)
Deck width46 ft (14.1 m)
Roadway width44 ft (13.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,106 (2022)
Projected traffic5,106 by 2044
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was B35 255th ST over Crane Creek built?

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

What condition is B35 255th ST 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 February 2024.

How much traffic does B35 255th ST over Crane Creek carry?

About 5,106 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is B35 255th ST over Crane Creek?

The structure is 93 ft (28.3 m) long with a longest span of 39 ft (11.9 m) and a deck 46 ft wide.

Who owns B35 255th ST over Crane Creek?

It is owned by the County Highway Agency.