US Bridges

Bryant ST over Drainage

Good

Marshall County, Iowa · 085203302 · Structure no. 000000000010191

Built
2004
21 years old
Condition
Good
inspected November 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
155 ft
3 main spans
Daily traffic
160
2022 count
Owner
County
County Highway Agency

About this bridge

Bryant ST over Drainage is a prestressed concrete stringer/multi-beam or girder carrying Bryant ST over Drainage in Marshall County, Iowa. It was built in 2004, so it is 21 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 160 vehicles a day, roughly 28% of them trucks, projected to reach 160 by 2041. The structure is 155 ft (47.2 m) long and 33 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesBryant ST
CrossesDrainage
Location085203302
RouteCity Street 0
StateIowa
Coordinates42.12836, -93.19495
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79 US tons
Inventory rating43 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length155 ft (47.2 m)
Longest span57 ft (17.4 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic160 (2022)
Projected traffic160 by 2041
Trucks28%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Bryant ST over Drainage built?

It was built in 2004, making it 21 years old in 2025.

What condition is Bryant ST over Drainage 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 2021.

How much traffic does Bryant ST over Drainage carry?

About 160 vehicles per day (2022 count), of which roughly 28% are trucks.

How long is Bryant ST over Drainage?

The structure is 155 ft (47.2 m) long with a longest span of 57 ft (17.4 m) and a deck 33 ft wide.

Who owns Bryant ST over Drainage?

It is owned by the County Highway Agency.