US Bridges

C33 over Dry Run Creek

Good

Butler County, Iowa · 092151607 · Structure no. 000000000088365

Built
2004
21 years old
Condition
Good
inspected April 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
139 ft
3 main spans
Daily traffic
1,002
2022 count
Owner
County
County Highway Agency

About this bridge

C33 over Dry Run Creek is a prestressed concrete stringer/multi-beam or girder carrying C33 over Dry Run Creek in Butler County, Iowa. It was built in 2004, so it is 21 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 1,002 vehicles a day, roughly 12% of them trucks, projected to reach 1,002 by 2043. The structure is 139 ft (42.4 m) long and 33 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesC33
CrossesDry Run Creek
Location092151607
RouteCounty Highway 0
StateIowa
Coordinates42.779, -92.62683
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.2 US tons
Inventory rating41.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length139 ft (42.4 m)
Longest span53 ft (16.2 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,002 (2022)
Projected traffic1,002 by 2043
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 C33 over Dry Run Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is C33 over Dry Run 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 April 2022.

How much traffic does C33 over Dry Run Creek carry?

About 1,002 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is C33 over Dry Run Creek?

The structure is 139 ft (42.4 m) long with a longest span of 53 ft (16.2 m) and a deck 33 ft wide.

Who owns C33 over Dry Run Creek?

It is owned by the County Highway Agency.