US Bridges

Bluff Rd/Modoc RD over Creek

Good

Randolph County, Illinois · 0.9MI W Modoc · Structure no. 079200500000000

Built
1996
29 years old
Condition
Good
inspected November 2021
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
425
2024 count
Owner
State
State Highway Agency

About this bridge

Bluff Rd/Modoc RD over Creek is a concrete culvert carrying Bluff Rd/Modoc RD over Creek in Randolph County, Illinois. It was built in 1996, so it is 29 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 425 vehicles a day, roughly 14% of them trucks, projected to reach 404 by 2046. The structure is 29 ft (8.7 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesBluff Rd/Modoc RD
CrossesCreek
Location0.9MI W Modoc
RouteCounty Highway 0
Coordinates38.05914, -90.05549
Functional classRural Major Collector

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 inspectionNovember 2021
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 rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length29 ft (8.7 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 traffic425 (2024)
Projected traffic404 by 2046
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Bluff Rd/Modoc RD over Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is Bluff Rd/Modoc RD over 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 November 2021.

How much traffic does Bluff Rd/Modoc RD over Creek carry?

About 425 vehicles per day (2024 count), of which roughly 14% are trucks.

How long is Bluff Rd/Modoc RD over Creek?

The structure is 29 ft (8.7 m) long with a longest span of 12 ft (3.7 m).

Who owns Bluff Rd/Modoc RD over Creek?

It is owned by the State Highway Agency.