US Bridges

Loc 122 ST over Lindsey Creek

FairPosted for load

Delaware County, Iowa · 090051603 · Structure no. 000000000142511

Built
1981
44 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
60 ft
3 main spans
Daily traffic
20
2022 count
Owner
County
County Highway Agency

About this bridge

Loc 122 ST over Lindsey Creek is a wood or timber stringer/multi-beam or girder carrying Loc 122 ST over Lindsey Creek in Delaware County, Iowa. It was built in 1981, so it is 44 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 20 vehicles a day, projected to reach 20 by 2044. The structure is 60 ft (18.3 m) long and 22 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesLoc 122 ST
CrossesLindsey Creek
Location090051603
RouteCounty Highway 0
CountyDelaware County
StateIowa
Coordinates42.61286, -91.44167
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26 US tons
Inventory rating20.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadH 15
Structure length60 ft (18.3 m)
Longest span20 ft (6.1 m)
Deck width22 ft (6.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2022)
Projected traffic20 by 2044
Trucks0%
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Loc 122 ST over Lindsey Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is Loc 122 ST over Lindsey 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 May 2024.

How much traffic does Loc 122 ST over Lindsey Creek carry?

About 20 vehicles per day (2022 count).

How long is Loc 122 ST over Lindsey Creek?

The structure is 60 ft (18.3 m) long with a longest span of 20 ft (6.1 m) and a deck 22 ft wide.

Who owns Loc 122 ST over Lindsey Creek?

It is owned by the County Highway Agency.