US Bridges

Griggs ST over Boneyard Creek

Fair

Champaign County, Illinois · Urbana · Structure no. 010611400000000

Built
1900
125 years old, rebuilt 1954
Condition
Fair
inspected November 2024
Type
Culvert
Concrete Continuous
Length
22 ft
1 main span
Daily traffic
300
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Griggs ST over Boneyard Creek is a concrete continuous culvert carrying Griggs ST over Boneyard Creek in Champaign County, Illinois. It was built in 1900 and reconstructed in 1954, so it is 125 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 300 vehicles a day, roughly 3% of them trucks, projected to reach 303 by 2046. The structure is 22 ft (6.7 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesGriggs ST
CrossesBoneyard Creek
LocationUrbana
RouteCity Street 0
CountyChampaign County
StateIllinois
Coordinates40.11438, -88.20974
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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.2 US tons
Inventory rating32.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length22 ft (6.7 m)
Longest span22 ft (6.7 m)
Deck width47 ft (14.2 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2021)
Projected traffic303 by 2046
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Griggs ST over Boneyard Creek built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1954.

What condition is Griggs ST over Boneyard 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 November 2024.

How much traffic does Griggs ST over Boneyard Creek carry?

About 300 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Griggs ST over Boneyard Creek?

The structure is 22 ft (6.7 m) long with a longest span of 22 ft (6.7 m) and a deck 47 ft wide.

Who owns Griggs ST over Boneyard Creek?

It is owned by the City or Municipal Highway Agency.