US Bridges

Local over Waterman Creek

Good

O'Brien County, Iowa · 097391801 · Structure no. 000000000261591

Built
1978
47 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
57 ft
1 main span
Daily traffic
15
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Waterman Creek is a steel stringer/multi-beam or girder carrying Local over Waterman Creek in O'Brien County, Iowa. It was built in 1978, so it is 47 years old, older 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 15 vehicles a day, projected to reach 15 by 2044. The structure is 57 ft (17.4 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesLocal
CrossesWaterman Creek
Location097391801
RouteCounty Highway 0
CountyO'Brien County
StateIowa
Coordinates43.22794, -95.50287
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 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 rating40 US tons
Inventory rating32.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length57 ft (17.4 m)
Longest span55 ft (16.8 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2022)
Projected traffic15 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Local over Waterman Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is Local over Waterman 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 Local over Waterman Creek carry?

About 15 vehicles per day (2022 count).

How long is Local over Waterman Creek?

The structure is 57 ft (17.4 m) long with a longest span of 55 ft (16.8 m) and a deck 30 ft wide.

Who owns Local over Waterman Creek?

It is owned by the County Highway Agency.