US Bridges

155th ST over Crane Creek

PoorClosed to traffic

Howard County, Iowa · 098132307 · Structure no. 000000000182490

Built
1937
88 years old
Condition
Poor
inspected April 2015
Type
Stringer/Multi-beam or Girder
Steel
Length
136 ft
4 main spans
Daily traffic
20
2013 count
Owner
County
County Highway Agency

About this bridge

155th ST over Crane Creek is a steel stringer/multi-beam or girder carrying 155th ST over Crane Creek in Howard County, Iowa. It was built in 1937, so it is 88 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 0 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: closed to all traffic.

It carries about 20 vehicles a day, projected to reach 20 by 2043. The structure is 136 ft (41.5 m) long and 16 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
Carries155th ST
CrossesCrane Creek
Location098132307
RouteCounty Highway 0
CountyHoward County
StateIowa
Coordinates43.29136, -92.33784
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck0 FailedOut of service and beyond corrective action.
Superstructure0 FailedOut of service and beyond corrective action.
Substructure0 FailedOut of service and beyond corrective action.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2015
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourUnknown foundation; not evaluated for scour
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans4
Design loadUnknown
Structure length136 ft (41.5 m)
Longest span34 ft (10.4 m)
Deck width16 ft (5 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2013)
Projected traffic20 by 2043
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 155th ST over Crane Creek built?

It was built in 1937, making it 88 years old in 2025.

What condition is 155th ST over Crane Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2015.

How much traffic does 155th ST over Crane Creek carry?

About 20 vehicles per day (2013 count).

How long is 155th ST over Crane Creek?

The structure is 136 ft (41.5 m) long with a longest span of 34 ft (10.4 m) and a deck 16 ft wide.

Who owns 155th ST over Crane Creek?

It is owned by the County Highway Agency.