US Bridges

193rd Lane over Steer Creek

Fair

Harrison County, Iowa · 080442203 · Structure no. 000000000362960

Built
1971
54 years old, rebuilt 2014
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
31 ft
1 main span
Daily traffic
10
2022 count
Owner
County
County Highway Agency

About this bridge

193rd Lane over Steer Creek is a prestressed concrete stringer/multi-beam or girder carrying 193rd Lane over Steer Creek in Harrison County, Iowa. It was built in 1971 and reconstructed in 2014, so it is 54 years old, older 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.

It carries about 10 vehicles a day, projected to reach 10 by 2044. The structure is 31 ft (9.5 m) long and 23 ft wide. If it were closed, the detour would be 62.1 mi (100 km).

Location

Open in Google Maps
Carries193rd Lane
CrossesSteer Creek
Location080442203
RouteCounty Highway 0
CountyHarrison County
StateIowa
Coordinates41.72819, -95.95367
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no 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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckWood or timber
Main spans1
Design loadHS 20
Structure length31 ft (9.5 m)
Longest span30 ft (9.2 m)
Deck width23 ft (6.9 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2022)
Projected traffic10 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed62.1 mi (100 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 193rd Lane over Steer Creek built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 2014.

What condition is 193rd Lane over Steer 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 December 2024.

How much traffic does 193rd Lane over Steer Creek carry?

About 10 vehicles per day (2022 count).

How long is 193rd Lane over Steer Creek?

The structure is 31 ft (9.5 m) long with a longest span of 30 ft (9.2 m) and a deck 23 ft wide.

Who owns 193rd Lane over Steer Creek?

It is owned by the County Highway Agency.