US Bridges

180th ST over Quarter Section Run

FairPosted for load

Bremer County, Iowa · 092131601 · Structure no. 000000000079721

Built
1993
32 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
64 ft
3 main spans
Daily traffic
59
2022 count
Owner
County
County Highway Agency

About this bridge

180th ST over Quarter Section Run is a wood or timber stringer/multi-beam or girder carrying 180th ST over Quarter Section Run in Bremer County, Iowa. It was built in 1993, so it is 32 years old, younger 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. Its operating status is: posted for load restriction.

It carries about 59 vehicles a day, projected to reach 59 by 2044. The structure is 64 ft (19.5 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries180th ST
CrossesQuarter Section Run
Location092131601
RouteCounty Highway 0
CountyBremer County
StateIowa
Coordinates42.7875, -92.37839
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating30.6 US tons
Inventory rating24.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 15
Structure length64 ft (19.5 m)
Longest span21 ft (6.4 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic59 (2022)
Projected traffic59 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 180th ST over Quarter Section Run built?

It was built in 1993, making it 32 years old in 2025.

What condition is 180th ST over Quarter Section Run 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 180th ST over Quarter Section Run carry?

About 59 vehicles per day (2022 count).

How long is 180th ST over Quarter Section Run?

The structure is 64 ft (19.5 m) long with a longest span of 21 ft (6.4 m) and a deck 25 ft wide.

Who owns 180th ST over Quarter Section Run?

It is owned by the County Highway Agency.