US Bridges

TR 149 over Three Mile Br

Good

Montgomery County, Illinois · 1.0 MI NW Honeybend · Structure no. 068500700000000

Built
1959
66 years old
Condition
Good
inspected November 2024
Type
Culvert
Steel
Length
34 ft
2 main spans
Daily traffic
125
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 149 over Three Mile Br is a steel culvert carrying TR 149 over Three Mile Br in Montgomery County, Illinois. It was built in 1959, so it is 66 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 125 vehicles a day, roughly 72% of them trucks, projected to reach 126 by 2046. The structure is 34 ft (10.5 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesTR 149
CrossesThree Mile Br
Location1.0 MI NW Honeybend
RouteCounty Highway 0
CountyMontgomery County
StateIllinois
Coordinates39.26294, -89.63248
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating63.6 US tons
Inventory rating37.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length34 ft (10.5 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 traffic125 (2020)
Projected traffic126 by 2046
Trucks72%
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

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 TR 149 over Three Mile Br built?

It was built in 1959, making it 66 years old in 2025.

What condition is TR 149 over Three Mile Br 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 2024.

How much traffic does TR 149 over Three Mile Br carry?

About 125 vehicles per day (2020 count), of which roughly 72% are trucks.

How long is TR 149 over Three Mile Br?

The structure is 34 ft (10.5 m) long with a longest span of 14 ft (4.3 m).

Who owns TR 149 over Three Mile Br?

It is owned by the Town or Township Highway Agency.