US Bridges

248th ST over Dye Creek

Good

Story County, Iowa · 083221408 · Structure no. 000000000314581

Built
1980
45 years old
Condition
Good
inspected December 2022
Type
Slab
Concrete Continuous
Length
80 ft
3 main spans
Daily traffic
71
2022 count
Owner
County
County Highway Agency

About this bridge

248th ST over Dye Creek is a concrete continuous slab carrying 248th ST over Dye Creek in Story County, Iowa. It was built in 1980, so it is 45 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 71 vehicles a day, projected to reach 71 by 2043. The structure is 80 ft (24.4 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries248th ST
CrossesDye Creek
Location083221408
RouteCounty Highway 0
StateIowa
Coordinates41.99625, -93.36764
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating65.7 US tons
Inventory rating39.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length80 ft (24.4 m)
Longest span29 ft (8.8 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic71 (2022)
Projected traffic71 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 248th ST over Dye Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is 248th ST over Dye Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2022.

How much traffic does 248th ST over Dye Creek carry?

About 71 vehicles per day (2022 count).

How long is 248th ST over Dye Creek?

The structure is 80 ft (24.4 m) long with a longest span of 29 ft (8.8 m) and a deck 33 ft wide.

Who owns 248th ST over Dye Creek?

It is owned by the County Highway Agency.