US Bridges

Bluff Rd/Modoc RD over Phegley Creek

Good

Randolph County, Illinois · Modoc · Structure no. 079200400000000

Built
1999
26 years old
Condition
Good
inspected November 2021
Type
Culvert
Concrete
Length
37 ft
3 main spans
Daily traffic
425
2024 count
Owner
State
State Highway Agency

About this bridge

Bluff Rd/Modoc RD over Phegley Creek is a concrete culvert carrying Bluff Rd/Modoc RD over Phegley Creek in Randolph County, Illinois. It was built in 1999, so it is 26 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 37 ft (11.4 m) long. If it were closed, the detour would be 24.2 mi (39 km).

CarriesBluff Rd/Modoc RD
CrossesPhegley Creek
LocationModoc
RouteCounty Highway 0
Coordinates38.05488, -90.0406
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 protection7 GoodSome minor problems.
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating67.5 US tons
Inventory rating40.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 25 or greater
Structure length37 ft (11.4 m)
Longest span10 ft (3.2 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 closed24.2 mi (39 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 Phegley Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Bluff Rd/Modoc RD over Phegley 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 Phegley Creek carry?

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

How long is Bluff Rd/Modoc RD over Phegley Creek?

The structure is 37 ft (11.4 m) long with a longest span of 10 ft (3.2 m).

Who owns Bluff Rd/Modoc RD over Phegley Creek?

It is owned by the State Highway Agency.