Ia 92 over German Creek

Fair

Keokuk County, Iowa · 3.0 Mi. E of E Jct. IA149 · Structure no. 000000000032750

Built: 1967; 58 years old
Condition: Fair; inspected June 2023
Type: Slab; Concrete Continuous
Length: 131 ft; 3 main spans
Daily traffic: 1,880; 2022 count
Owner: State; State Highway Agency

About this bridge

Ia 92 over German Creek is a concrete continuous slab carrying Ia 92 over German Creek in Keokuk County, Iowa. It was built in 1967, so it is 58 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 1,880 vehicles a day, roughly 18% of them trucks, projected to reach 1,880 by 2043. The structure is 131 ft (39.9 m) long and 36 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

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CarriesIa 92

CrossesGerman Creek

Location3.0 Mi. E of E Jct. IA149

RouteState Highway 92

CountyKeokuk County

StateIowa

Coordinates41.33702, -92.1225

Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

Component	Rating	Meaning
Deck	5 Fair	All primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure	5 Fair	All primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure	7 Good	Some minor problems.
Channel and channel protection	7 Good	Some minor problems.

Last inspectionJune 2023

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations stable; scour within limits of footing or piles

Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is

Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is

Waterway adequacy7: Better than present minimum criteria

Approach roadway alignment8: Equal to present desirable criteria

Operating rating66.1 US tons

Inventory rating39.8 US tons

Structure

Structure typeSlab

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans3

Design loadHS 20

Structure length131 ft (39.9 m)

Longest span51 ft (15.5 m)

Deck width36 ft (11 m)

Roadway width30 ft (9.1 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,880 (2022)

Projected traffic1,880 by 2043

Trucks18%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed14.9 mi (24 km)

TollOn a free road

National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency

Maintained byState Highway Agency

Historic statusNot eligible for the National Register of Historic Places

Work proposedNone recorded

Estimated improvement cost—

NavigationNo navigation control on waterway

Frequently asked questions

When was Ia 92 over German Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is Ia 92 over German 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 June 2023.

How much traffic does Ia 92 over German Creek carry?

About 1,880 vehicles per day (2022 count), of which roughly 18% are trucks.

How long is Ia 92 over German Creek?

The structure is 131 ft (39.9 m) long with a longest span of 51 ft (15.5 m) and a deck 36 ft wide.

Who owns Ia 92 over German Creek?

It is owned by the State Highway Agency.