US Bridges

Great River RD over Buck Creek

Fair

Clayton County, Iowa · 093023210 · Structure no. 000000000119430

Built
1979
46 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
162 ft
2 main spans
Daily traffic
1,228
2022 count
Owner
County
County Highway Agency

About this bridge

Great River RD over Buck Creek is a steel stringer/multi-beam or girder carrying Great River RD over Buck Creek in Clayton County, Iowa. It was built in 1979, so it is 46 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 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 1,228 vehicles a day, roughly 12% of them trucks, projected to reach 1,228 by 2044. The structure is 162 ft (49.4 m) long and 33 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesGreat River RD
CrossesBuck Creek
Location093023210
RouteCounty Highway 0
StateIowa
Coordinates42.82511, -91.1092
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating70.8 US tons
Inventory rating39.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length162 ft (49.4 m)
Longest span81 ft (24.7 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,228 (2022)
Projected traffic1,228 by 2044
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Great River RD over Buck Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is Great River RD over Buck 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 October 2024.

How much traffic does Great River RD over Buck Creek carry?

About 1,228 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is Great River RD over Buck Creek?

The structure is 162 ft (49.4 m) long with a longest span of 81 ft (24.7 m) and a deck 33 ft wide.

Who owns Great River RD over Buck Creek?

It is owned by the County Highway Agency.