US Bridges

236th ST over Buck Creek

PoorClosed to traffic

Bremer County, Iowa · 091111003 · Structure no. 000000000078450

Built
1957
68 years old
Condition
Poor
inspected June 2014
Type
Truss - Thru
Steel
Length
123 ft
2 main spans
Daily traffic
15
2022 count
Owner
County
County Highway Agency

About this bridge

236th ST over Buck Creek is a steel truss - thru carrying 236th ST over Buck Creek in Bremer 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 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 15 vehicles a day, projected to reach 15 by 2043. The structure is 123 ft (37.5 m) long and 18 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries236th ST
CrossesBuck Creek
Location091111003
RouteCounty Highway 0
CountyBremer County
StateIowa
Coordinates42.70381, -92.1261
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 inspectionJune 2014
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans2
Design loadUnknown
Structure length123 ft (37.5 m)
Longest span60 ft (18.3 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2022)
Projected traffic15 by 2043
Trucks0%
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 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 236th ST over Buck Creek built?

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

What condition is 236th ST over Buck 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 June 2014.

How much traffic does 236th ST over Buck Creek carry?

About 15 vehicles per day (2022 count).

How long is 236th ST over Buck Creek?

The structure is 123 ft (37.5 m) long with a longest span of 60 ft (18.3 m) and a deck 18 ft wide.

Who owns 236th ST over Buck Creek?

It is owned by the County Highway Agency.