US Bridges

Ia 48 over Baughmans Creek

Fair

Cass County, Iowa · 0.2 Mi. S of Jct. Ia 92 · Structure no. 000000000017691

Built
1973
52 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete Continuous
Length
103 ft
3 main spans
Daily traffic
1,570
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 48 over Baughmans Creek is a concrete continuous slab carrying Ia 48 over Baughmans Creek in Cass County, Iowa. It was built in 1973, so it is 52 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 1,570 vehicles a day, roughly 13% of them trucks, projected to reach 1,570 by 2044. The structure is 103 ft (31.4 m) long and 41 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

CarriesIa 48
CrossesBaughmans Creek
Location0.2 Mi. S of Jct. Ia 92
RouteState Highway 48
StateIowa
Coordinates41.2316, -95.13719
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating69.7 US tons
Inventory rating41.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length103 ft (31.4 m)
Longest span39 ft (11.9 m)
Deck width41 ft (12.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,570 (2022)
Projected traffic1,570 by 2044
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed24.2 mi (39 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 Baughmans Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is Ia 48 over Baughmans 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 2024.

How much traffic does Ia 48 over Baughmans Creek carry?

About 1,570 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is Ia 48 over Baughmans Creek?

The structure is 103 ft (31.4 m) long with a longest span of 39 ft (11.9 m) and a deck 41 ft wide.

Who owns Ia 48 over Baughmans Creek?

It is owned by the State Highway Agency.