US Bridges

Ia 92 & 149 over Bridge Creek

Fair

Keokuk County, Iowa · 0.1 Mi. W of E JCT.149 · Structure no. 000000000032740

Built
1967
58 years old
Condition
Fair
inspected June 2023
Type
Slab
Concrete Continuous
Length
133 ft
3 main spans
Daily traffic
3,110
2023 count
Owner
State
State Highway Agency

About this bridge

Ia 92 & 149 over Bridge Creek is a concrete continuous slab carrying Ia 92 & 149 over Bridge 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 3,110 vehicles a day, roughly 13% of them trucks, projected to reach 3,110 by 2043. The structure is 133 ft (40.5 m) long and 55 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

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CarriesIa 92 & 149
CrossesBridge Creek
Location0.1 Mi. W of E JCT.149
RouteState Highway 92
CountyKeokuk County
StateIowa
Coordinates41.33688, -92.18272
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.

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating56.9 US tons
Inventory rating23 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length133 ft (40.5 m)
Longest span51 ft (15.5 m)
Deck width55 ft (16.9 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,110 (2023)
Projected traffic3,110 by 2043
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 & 149 over Bridge Creek built?

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

What condition is Ia 92 & 149 over Bridge 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 & 149 over Bridge Creek carry?

About 3,110 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is Ia 92 & 149 over Bridge Creek?

The structure is 133 ft (40.5 m) long with a longest span of 51 ft (15.5 m) and a deck 55 ft wide.

Who owns Ia 92 & 149 over Bridge Creek?

It is owned by the State Highway Agency.