US Bridges

Old River RD over Blacks Creek

Fair

Winnebago County, Illinois · 0.7 MI N Latham RD · Structure no. 101504200000000

Built
1962
63 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
43 ft
3 main spans
Daily traffic
2,850
2022 count
Owner
County
County Highway Agency

About this bridge

Old River RD over Blacks Creek is a concrete culvert carrying Old River RD over Blacks Creek in Winnebago County, Illinois. It was built in 1962, so it is 63 years old, older than the Illinois average of 45.3 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 2,850 vehicles a day, roughly 3% of them trucks, projected to reach 2,475 by 2046. The structure is 43 ft (13.2 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesOld River RD
CrossesBlacks Creek
Location0.7 MI N Latham RD
RouteCounty Highway 0
Coordinates42.37682, -89.06216
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating63.9 US tons
Inventory rating38.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length43 ft (13.2 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,850 (2022)
Projected traffic2,475 by 2046
Trucks3%
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

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 Old River RD over Blacks Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is Old River RD over Blacks 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 April 2024.

How much traffic does Old River RD over Blacks Creek carry?

About 2,850 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Old River RD over Blacks Creek?

The structure is 43 ft (13.2 m) long with a longest span of 14 ft (4.3 m).

Who owns Old River RD over Blacks Creek?

It is owned by the County Highway Agency.