US Bridges

Sauk RD over Branch of Rock River

Good

Lee County, Illinois · 0.5 MI N of Il RTE 2 · Structure no. 052450500000000

Built
1980
45 years old
Condition
Good
inspected February 2024
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
25
2017 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Sauk RD over Branch of Rock River is a concrete culvert carrying Sauk RD over Branch of Rock River in Lee County, Illinois. It was built in 1980, so it is 45 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 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 25 ft (7.6 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesSauk RD
CrossesBranch of Rock River
Location0.5 MI N of Il RTE 2
RouteCounty Highway 0
Coordinates41.82983, -89.59252
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 protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable 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 length25 ft (7.6 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 (2017)
Projected traffic25 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Sauk RD over Branch of Rock River built?

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

What condition is Sauk RD over Branch of Rock River 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 February 2024.

How much traffic does Sauk RD over Branch of Rock River carry?

About 25 vehicles per day (2017 count).

How long is Sauk RD over Branch of Rock River?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).

Who owns Sauk RD over Branch of Rock River?

It is owned by the Town or Township Highway Agency.