US Bridges

110th ST over Trib of Ioway Creek

Good

Boone County, Iowa · 085251001 · Structure no. 000000000078151

Built
2018
7 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete Continuous
Length
35 ft
2 main spans
Daily traffic
60
2022 count
Owner
County
County Highway Agency

About this bridge

110th ST over Trib of Ioway Creek is a concrete continuous culvert carrying 110th ST over Trib of Ioway Creek in Boone County, Iowa. It was built in 2018, so it is 7 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 60 vehicles a day, projected to reach 60 by 2044. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Carries110th ST
CrossesTrib of Ioway Creek
Location085251001
RouteCounty Highway 0
StateIowa
Coordinates42.19544, -93.74707
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating79.7 US tons
Inventory rating61.4 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHL 93
Structure length35 ft (10.7 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2022)
Projected traffic60 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 110th ST over Trib of Ioway Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is 110th ST over Trib of Ioway 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 May 2024.

How much traffic does 110th ST over Trib of Ioway Creek carry?

About 60 vehicles per day (2022 count).

How long is 110th ST over Trib of Ioway Creek?

The structure is 35 ft (10.7 m) long with a longest span of 12 ft (3.7 m).

Who owns 110th ST over Trib of Ioway Creek?

It is owned by the County Highway Agency.