US Bridges

Ia 188 over Two Mile Creek

Fair

Bremer County, Iowa · 0.9 Mi. W of Sec. Rd. V14 · Structure no. 000000000015771

Built
1979
46 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete Continuous
Length
123 ft
3 main spans
Daily traffic
930
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 188 over Two Mile Creek is a concrete continuous slab carrying Ia 188 over Two Mile Creek in Bremer County, Iowa. It was built in 1979, so it is 46 years old, older 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.

It carries about 930 vehicles a day, roughly 13% of them trucks, projected to reach 930 by 2042. The structure is 123 ft (37.5 m) long and 43 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesIa 188
CrossesTwo Mile Creek
Location0.9 Mi. W of Sec. Rd. V14
RouteState Highway 188
StateIowa
Coordinates42.84754, -92.49342
Functional classRural Minor Arterial

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.
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 above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.1 US tons
Inventory rating40.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length123 ft (37.5 m)
Longest span47 ft (14.3 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 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 closed3.1 mi (5 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 Two Mile Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is Ia 188 over Two Mile Creek 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 March 2023.

How much traffic does Ia 188 over Two Mile Creek carry?

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

How long is Ia 188 over Two Mile Creek?

The structure is 123 ft (37.5 m) long with a longest span of 47 ft (14.3 m) and a deck 43 ft wide.

Who owns Ia 188 over Two Mile Creek?

It is owned by the State Highway Agency.