US Bridges

Rosewood Road over Keg Creek

Poor

Pottawattamie County, Iowa · 076410401 · Structure no. 000000000288251

Built
1976
49 years old, rebuilt 1992
Condition
Poor
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
98 ft
1 main span
Daily traffic
20
2022 count
Owner
County
County Highway Agency

About this bridge

Rosewood Road over Keg Creek is a steel stringer/multi-beam or girder carrying Rosewood Road over Keg Creek in Pottawattamie County, Iowa. It was built in 1976 and reconstructed in 1992, so it is 49 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 20 vehicles a day, projected to reach 20 by 2043. The structure is 98 ft (29.9 m) long and 21 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesRosewood Road
CrossesKeg Creek
Location076410401
RouteCounty Highway 0
CountyPottawattamie County
StateIowa
Coordinates41.41933, -95.57192
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.4 US tons
Inventory rating26.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1 (+2 approach)
Design loadHS 20
Structure length98 ft (29.9 m)
Longest span59 ft (18 m)
Deck width21 ft (6.3 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2022)
Projected traffic20 by 2043
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rosewood Road over Keg Creek built?

It was built in 1976, making it 49 years old in 2025. It was reconstructed in 1992.

What condition is Rosewood Road over Keg Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does Rosewood Road over Keg Creek carry?

About 20 vehicles per day (2022 count).

How long is Rosewood Road over Keg Creek?

The structure is 98 ft (29.9 m) long with a longest span of 59 ft (18 m) and a deck 21 ft wide.

Who owns Rosewood Road over Keg Creek?

It is owned by the County Highway Agency.