US Bridges

SR 109 over Montgomery Creek

Fair

Henry County, Indiana · 03.06 N US 40 · Structure no. 025360

Built
1941
84 years old, rebuilt 1985
Condition
Fair
inspected March 2023
Type
Slab
Concrete Continuous
Length
75 ft
2 main spans
Daily traffic
4,598
2022 count
Owner
State
State Highway Agency

About this bridge

SR 109 over Montgomery Creek is a concrete continuous slab carrying SR 109 over Montgomery Creek in Henry County, Indiana. It was built in 1941 and reconstructed in 1985, so it is 84 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 6 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 4,598 vehicles a day, roughly 10% of them trucks, projected to reach 8,624 by 2030. The structure is 75 ft (23 m) long and 34 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesSR 109
CrossesMontgomery Creek
Location03.06 N US 40
RouteState Highway 109
CountyHenry County
StateIndiana
Coordinates39.83456, -85.54831
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.6 US tons
Inventory rating29.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length75 ft (23 m)
Longest span36 ft (10.9 m)
Deck width34 ft (10.5 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,598 (2022)
Projected traffic8,624 by 2030
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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$290,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 109 over Montgomery Creek built?

It was built in 1941, making it 84 years old in 2025. It was reconstructed in 1985.

What condition is SR 109 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 March 2023.

How much traffic does SR 109 over Montgomery Creek carry?

About 4,598 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is SR 109 over Montgomery Creek?

The structure is 75 ft (23 m) long with a longest span of 36 ft (10.9 m) and a deck 34 ft wide.

Who owns SR 109 over Montgomery Creek?

It is owned by the State Highway Agency.