US Bridges

Chestnut St. over Coe Creek

Fair

Montgomery County, Iowa · 073380104 · Structure no. 000000000004541

Built
1996
29 years old
Condition
Fair
inspected May 2021
Type
Slab
Concrete Continuous
Length
88 ft
3 main spans
Daily traffic
79
2022 count
Owner
County
County Highway Agency

About this bridge

Chestnut St. over Coe Creek is a concrete continuous slab carrying Chestnut St. over Coe Creek in Montgomery County, Iowa. It was built in 1996, so it is 29 years old, younger than the Iowa average of 45.5 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 79 vehicles a day, projected to reach 79 by 2043. The structure is 88 ft (26.8 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesChestnut St.
CrossesCoe Creek
Location073380104
RouteCity Street 0
CountyMontgomery County
StateIowa
Coordinates41.14553, -95.1614
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.7 US tons
Inventory rating50 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length88 ft (26.8 m)
Longest span34 ft (10.4 m)
Deck width33 ft (10.2 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic79 (2022)
Projected traffic79 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Chestnut St. over Coe Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is Chestnut St. over Coe 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 May 2021.

How much traffic does Chestnut St. over Coe Creek carry?

About 79 vehicles per day (2022 count).

How long is Chestnut St. over Coe Creek?

The structure is 88 ft (26.8 m) long with a longest span of 34 ft (10.4 m) and a deck 33 ft wide.

Who owns Chestnut St. over Coe Creek?

It is owned by the County Highway Agency.