US Bridges

Webster ST over Little Bear Creek

Fair

Poweshiek County, Iowa · 080152701 · Structure no. 000000000007510

Built
1960
65 years old
Condition
Fair
inspected December 2023
Type
Slab
Concrete Continuous
Length
122 ft
3 main spans
Daily traffic
133
2022 count
Owner
County
County Highway Agency

About this bridge

Webster ST over Little Bear Creek is a concrete continuous slab carrying Webster ST over Little Bear Creek in Poweshiek County, Iowa. It was built in 1960, so it is 65 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 133 vehicles a day, projected to reach 133 by 2043. The structure is 122 ft (37.2 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesWebster ST
CrossesLittle Bear Creek
Location080152701
RouteCity Street 0
CountyPoweshiek County
StateIowa
Coordinates41.70365, -92.55898
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating58.8 US tons
Inventory rating35.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length122 ft (37.2 m)
Longest span46 ft (14 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic133 (2022)
Projected traffic133 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$807,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Webster ST over Little Bear Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Webster ST over Little Bear 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 2023.

How much traffic does Webster ST over Little Bear Creek carry?

About 133 vehicles per day (2022 count).

How long is Webster ST over Little Bear Creek?

The structure is 122 ft (37.2 m) long with a longest span of 46 ft (14 m) and a deck 30 ft wide.

Who owns Webster ST over Little Bear Creek?

It is owned by the County Highway Agency.