US Bridges

East Airport Road over Small Creek

Good

Stephenson County, Illinois · 2.5 MI SE Freeport · Structure no. 089507600000000

Built
1978
47 years old
Condition
Good
inspected December 2022
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
25
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

East Airport Road over Small Creek is a concrete culvert carrying East Airport Road over Small Creek in Stephenson County, Illinois. It was built in 1978, so it is 47 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 25 vehicles a day, projected to reach 25 by 2046. The structure is 26 ft (7.8 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesEast Airport Road
CrossesSmall Creek
Location2.5 MI SE Freeport
RouteCounty Highway 0
CountyStephenson County
StateIllinois
Coordinates42.25168, -89.56459
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionDecember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length26 ft (7.8 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2020)
Projected traffic25 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 East Airport Road over Small Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is East Airport Road over Small 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 East Airport Road over Small Creek carry?

About 25 vehicles per day (2020 count).

How long is East Airport Road over Small Creek?

The structure is 26 ft (7.8 m) long with a longest span of 12 ft (3.7 m).

Who owns East Airport Road over Small Creek?

It is owned by the Town or Township Highway Agency.