US Bridges

CR 100S over Montgomery Creek

Fair

Henry County, Indiana · 00.10 E of CR 600 W · Structure no. 3300180

Built
1975
50 years old
Condition
Fair
inspected August 2023
Type
Culvert
Steel
Length
23 ft
2 main spans
Daily traffic
100
2019 count
Owner
County
County Highway Agency

About this bridge

CR 100S over Montgomery Creek is a steel culvert carrying CR 100S over Montgomery Creek in Henry County, Indiana. It was built in 1975, so it is 50 years old, older than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 100 vehicles a day, roughly 5% of them trucks, projected to reach 175 by 2039. The structure is 23 ft (6.9 m) long and 42 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCR 100S
CrossesMontgomery Creek
Location00.10 E of CR 600 W
RouteCounty Highway 34
CountyHenry County
StateIndiana
Coordinates39.91698, -85.49853
Functional classRural 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.5 US tons
Inventory rating51 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (6.9 m)
Longest span10 ft (3.2 m)
Deck width42 ft (12.9 m)
Roadway width18 ft (5.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2019)
Projected traffic175 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$450,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 100S over Montgomery Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is CR 100S over Montgomery 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 August 2023.

How much traffic does CR 100S over Montgomery Creek carry?

About 100 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is CR 100S over Montgomery Creek?

The structure is 23 ft (6.9 m) long with a longest span of 10 ft (3.2 m) and a deck 42 ft wide.

Who owns CR 100S over Montgomery Creek?

It is owned by the County Highway Agency.