US Bridges

Ia 48 over Ramp Creek

Fair

Page County, Iowa · 0.9 Mi. N of Jct. SR M-56 · Structure no. 000000000038881

Built
1987
38 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
1,780
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 48 over Ramp Creek is a concrete continuous culvert carrying Ia 48 over Ramp Creek in Page County, Iowa. It was built in 1987, so it is 38 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 1,780 vehicles a day, roughly 7% of them trucks, projected to reach 1,780 by 2043. The structure is 23 ft (7 m) long. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesIa 48
CrossesRamp Creek
Location0.9 Mi. N of Jct. SR M-56
RouteState Highway 48
CountyPage County
StateIowa
Coordinates40.89997, -95.23231
Functional classRural Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88 US tons
Inventory rating52.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,780 (2022)
Projected traffic1,780 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemNo

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 48 over Ramp Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is Ia 48 over Ramp 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 2023.

How much traffic does Ia 48 over Ramp Creek carry?

About 1,780 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is Ia 48 over Ramp Creek?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m).

Who owns Ia 48 over Ramp Creek?

It is owned by the State Highway Agency.