US Bridges

Mill ST over Dry Branch Creek

Good

Montgomery County, Indiana · 00.10 S. of Elmore ST · Structure no. 5400183

Built
1977
48 years old
Condition
Good
inspected April 2024
Type
Slab
Concrete Continuous
Length
85 ft
3 main spans
Daily traffic
2,650
2014 count
Owner
County
County Highway Agency

About this bridge

Mill ST over Dry Branch Creek is a concrete continuous slab carrying Mill ST over Dry Branch Creek in Montgomery County, Indiana. It was built in 1977, so it is 48 years old, older than the Indiana average of 46.6 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 2,650 vehicles a day, roughly 17% of them trucks, projected to reach 3,740 by 2034. The structure is 85 ft (26 m) long and 35 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesMill ST
CrossesDry Branch Creek
Location00.10 S. of Elmore ST
RouteCity Street 0
StateIndiana
Coordinates40.03173, -86.88996
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.3 US tons
Inventory rating37.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length85 ft (26 m)
Longest span32 ft (9.7 m)
Deck width35 ft (10.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,650 (2014)
Projected traffic3,740 by 2034
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mill ST over Dry Branch Creek built?

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

What condition is Mill ST over Dry Branch 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 April 2024.

How much traffic does Mill ST over Dry Branch Creek carry?

About 2,650 vehicles per day (2014 count), of which roughly 17% are trucks.

How long is Mill ST over Dry Branch Creek?

The structure is 85 ft (26 m) long with a longest span of 32 ft (9.7 m) and a deck 35 ft wide.

Who owns Mill ST over Dry Branch Creek?

It is owned by the County Highway Agency.