US Bridges

Local RD over Crooked Creek

Fair

Keokuk County, Iowa · 076103601 · Structure no. 000000000211381

Built
1997
28 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
39 ft
1 main span
Daily traffic
40
2022 count
Owner
County
County Highway Agency

About this bridge

Local RD over Crooked Creek is a steel stringer/multi-beam or girder carrying Local RD over Crooked Creek in Keokuk County, Iowa. It was built in 1997, so it is 28 years old, younger 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 40 vehicles a day, projected to reach 40 by 2044. The structure is 39 ft (11.9 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesLocal RD
CrossesCrooked Creek
Location076103601
RouteCounty Highway 0
CountyKeokuk County
StateIowa
Coordinates41.35209, -91.95722
Functional classRural Local

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating42.4 US tons
Inventory rating30.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadH 15
Structure length39 ft (11.9 m)
Longest span38 ft (11.6 m)
Deck width25 ft (7.7 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2022)
Projected traffic40 by 2044
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Local RD over Crooked Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is Local RD over Crooked 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 2024.

How much traffic does Local RD over Crooked Creek carry?

About 40 vehicles per day (2022 count).

How long is Local RD over Crooked Creek?

The structure is 39 ft (11.9 m) long with a longest span of 38 ft (11.6 m) and a deck 25 ft wide.

Who owns Local RD over Crooked Creek?

It is owned by the County Highway Agency.