US Bridges

180th ST over Honey Creek

Good

Delaware County, Iowa · 089051601 · Structure no. 000000000141721

Built
2005
20 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
166 ft
3 main spans
Daily traffic
70
2022 count
Owner
County
County Highway Agency

About this bridge

180th ST over Honey Creek is a prestressed concrete stringer/multi-beam or girder carrying 180th ST over Honey Creek in Delaware County, Iowa. It was built in 2005, so it is 20 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 70 vehicles a day, projected to reach 70 by 2044. The structure is 166 ft (50.6 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries180th ST
CrossesHoney Creek
Location089051601
RouteCounty Highway 0
StateIowa
Coordinates42.52777, -91.4431
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.9 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length166 ft (50.6 m)
Longest span59 ft (18 m)
Deck width32 ft (9.9 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2022)
Projected traffic70 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 180th ST over Honey Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is 180th ST over Honey Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does 180th ST over Honey Creek carry?

About 70 vehicles per day (2022 count).

How long is 180th ST over Honey Creek?

The structure is 166 ft (50.6 m) long with a longest span of 59 ft (18 m) and a deck 32 ft wide.

Who owns 180th ST over Honey Creek?

It is owned by the County Highway Agency.