US Bridges

Mt. Vernon Rd. over Five Mile Creek

Good

Ogle County, Illinois · 5 MI SW Forreston · Structure no. 071332900000000

Built
2004
21 years old
Condition
Good
inspected August 2021
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
39 ft
1 main span
Daily traffic
50
2017 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Mt. Vernon Rd. over Five Mile Creek is a prestressed concrete box beam or girders - multiple carrying Mt. Vernon Rd. over Five Mile Creek in Ogle County, Illinois. It was built in 2004, so it is 21 years old, younger 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 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 50 vehicles a day, projected to reach 52 by 2046. The structure is 39 ft (12 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMt. Vernon Rd.
CrossesFive Mile Creek
Location5 MI SW Forreston
RouteCounty Highway 0
Coordinates42.06588, -89.64666
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length39 ft (12 m)
Longest span36 ft (11 m)
Deck width27 ft (8.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2017)
Projected traffic52 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Mt. Vernon Rd. over Five Mile Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is Mt. Vernon Rd. over Five Mile 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 August 2021.

How much traffic does Mt. Vernon Rd. over Five Mile Creek carry?

About 50 vehicles per day (2017 count).

How long is Mt. Vernon Rd. over Five Mile Creek?

The structure is 39 ft (12 m) long with a longest span of 36 ft (11 m) and a deck 27 ft wide.

Who owns Mt. Vernon Rd. over Five Mile Creek?

It is owned by the Town or Township Highway Agency.