US Bridges

Myrtle RD over Br Mill Creek

Good

Ogle County, Illinois · 3.5 NE Leaf River · Structure no. 071506900000000

Built
1977
48 years old
Condition
Good
inspected August 2021
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
75
2017 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Myrtle RD over Br Mill Creek is a concrete culvert carrying Myrtle RD over Br Mill Creek in Ogle County, Illinois. It was built in 1977, so it is 48 years old, older 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 75 vehicles a day, projected to reach 78 by 2046. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesMyrtle RD
CrossesBr Mill Creek
Location3.5 NE Leaf River
RouteCounty Highway 0
Coordinates42.16976, -89.37247
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionAugust 2021
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 length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2017)
Projected traffic78 by 2046
Trucks0%
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

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 Myrtle RD over Br Mill Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is Myrtle RD over Br Mill 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 August 2021.

How much traffic does Myrtle RD over Br Mill Creek carry?

About 75 vehicles per day (2017 count).

How long is Myrtle RD over Br Mill Creek?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns Myrtle RD over Br Mill Creek?

It is owned by the Town or Township Highway Agency.