US Bridges

Local over Clear Creek

PoorPosted for load

Iowa County, Iowa · 080102501 · Structure no. 000000000190440

Built
1905
120 years old, rebuilt 1991
Condition
Poor
inspected March 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
43 ft
2 main spans
Daily traffic
15
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Clear Creek is a wood or timber stringer/multi-beam or girder carrying Local over Clear Creek in Iowa County, Iowa. It was built in 1905 and reconstructed in 1991, so it is 120 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. Its operating status is: posted for load restriction.

It carries about 15 vehicles a day, projected to reach 15 by 2044. The structure is 43 ft (13.1 m) long and 22 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesLocal
CrossesClear Creek
Location080102501
RouteCounty Highway 0
StateIowa
Coordinates41.71636, -91.95565
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating39.8 US tons
Inventory rating32.3 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadH 20
Structure length43 ft (13.1 m)
Longest span24 ft (7.3 m)
Deck width22 ft (6.8 m)
Roadway width22 ft (6.7 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 closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over Clear Creek built?

It was built in 1905, making it 120 years old in 2025. It was reconstructed in 1991.

What condition is Local over Clear 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 March 2024.

How much traffic does Local over Clear Creek carry?

About 15 vehicles per day (2022 count).

How long is Local over Clear Creek?

The structure is 43 ft (13.1 m) long with a longest span of 24 ft (7.3 m) and a deck 22 ft wide.

Who owns Local over Clear Creek?

It is owned by the County Highway Agency.