US Bridges

Ia 188 over Horton Creek

Good

Bremer County, Iowa · 0.1 Mi. W of Jct. SR V14 · Structure no. 000000000015781

Built
1987
38 years old
Condition
Good
inspected March 2023
Type
Slab
Concrete Continuous
Length
133 ft
3 main spans
Daily traffic
930
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 188 over Horton Creek is a concrete continuous slab carrying Ia 188 over Horton Creek in Bremer County, Iowa. It was built in 1987, so it is 38 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 930 vehicles a day, roughly 13% of them trucks, projected to reach 930 by 2042. The structure is 133 ft (40.5 m) long and 39 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

Location

Open in Google Maps
CarriesIa 188
CrossesHorton Creek
Location0.1 Mi. W of Jct. SR V14
RouteState Highway 188
CountyBremer County
StateIowa
Coordinates42.84748, -92.47837
Functional classRural Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97.1 US tons
Inventory rating58.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length133 ft (40.5 m)
Longest span51 ft (15.5 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic930 (2022)
Projected traffic930 by 2042
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Ia 188 over Horton Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is Ia 188 over Horton 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 March 2023.

How much traffic does Ia 188 over Horton Creek carry?

About 930 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is Ia 188 over Horton Creek?

The structure is 133 ft (40.5 m) long with a longest span of 51 ft (15.5 m) and a deck 39 ft wide.

Who owns Ia 188 over Horton Creek?

It is owned by the State Highway Agency.