US Bridges

Urbana RD over West Blue Creek

Fair

Linn County, Iowa · 085080607 · Structure no. 000000000222511

Built
1987
38 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
195 ft
5 main spans
Daily traffic
1,257
2022 count
Owner
County
County Highway Agency

About this bridge

Urbana RD over West Blue Creek is a concrete continuous slab carrying Urbana RD over West Blue Creek in Linn County, Iowa. It was built in 1987, so it is 38 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 1,257 vehicles a day, roughly 7% of them trucks, projected to reach 1,257 by 2044. The structure is 195 ft (59.4 m) long and 31 ft wide.

CarriesUrbana RD
CrossesWest Blue Creek
Location085080607
RouteCounty Highway 0
StateIowa
Coordinates42.20268, -91.82493
Functional classRural Major 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.3 US tons
Inventory rating45.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length195 ft (59.4 m)
Longest span42 ft (12.8 m)
Deck width31 ft (9.5 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,257 (2022)
Projected traffic1,257 by 2044
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Urbana RD over West Blue Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is Urbana RD over West Blue 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 September 2024.

How much traffic does Urbana RD over West Blue Creek carry?

About 1,257 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is Urbana RD over West Blue Creek?

The structure is 195 ft (59.4 m) long with a longest span of 42 ft (12.8 m) and a deck 31 ft wide.

Who owns Urbana RD over West Blue Creek?

It is owned by the County Highway Agency.