US Bridges

Glacier RD over Doe CR

FairPosted for load

Clayton County, Iowa · 092043106 · Structure no. 000000000118930

Built
1958
67 years old
Condition
Fair
inspected November 2024
Type
Slab
Concrete Continuous
Length
125 ft
3 main spans
Daily traffic
108
2022 count
Owner
County
County Highway Agency

About this bridge

Glacier RD over Doe CR is a concrete continuous slab carrying Glacier RD over Doe CR in Clayton County, Iowa. It was built in 1958, so it is 67 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. Its operating status is: posted for other load-capacity restriction.

It carries about 108 vehicles a day, projected to reach 108 by 2044. The structure is 125 ft (38.1 m) long and 23 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesGlacier RD
CrossesDoe CR
Location092043106
RouteCounty Highway 0
StateIowa
Coordinates42.73843, -91.36513
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 protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: 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 rating31.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length125 ft (38.1 m)
Longest span49 ft (14.9 m)
Deck width23 ft (6.9 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic108 (2022)
Projected traffic108 by 2044
Trucks0%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Glacier RD over Doe CR built?

It was built in 1958, making it 67 years old in 2025.

What condition is Glacier RD over Doe CR 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 November 2024.

How much traffic does Glacier RD over Doe CR carry?

About 108 vehicles per day (2022 count).

How long is Glacier RD over Doe CR?

The structure is 125 ft (38.1 m) long with a longest span of 49 ft (14.9 m) and a deck 23 ft wide.

Who owns Glacier RD over Doe CR?

It is owned by the County Highway Agency.