US Bridges

ST Annes RD over Creek

Fair

Scott County, Iowa · 080E31903 · Structure no. 000000000303501

Built
1989
36 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
510
2022 count
Owner
County
County Highway Agency

About this bridge

ST Annes RD over Creek is a concrete continuous culvert carrying ST Annes RD over Creek in Scott County, Iowa. It was built in 1989, so it is 36 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 510 vehicles a day, roughly 13% of them trucks, projected to reach 510 by 2043. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 14.9 mi (24 km).

CarriesST Annes RD
CrossesCreek
Location080E31903
RouteCounty Highway 0
StateIowa
Coordinates41.72754, -90.65016
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic510 (2022)
Projected traffic510 by 2043
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was ST Annes RD over Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is ST Annes RD over 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 April 2023.

How much traffic does ST Annes RD over Creek carry?

About 510 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is ST Annes RD over Creek?

The structure is 27 ft (8.2 m) long with a longest span of 13 ft (4 m).

Who owns ST Annes RD over Creek?

It is owned by the County Highway Agency.