US Bridges

Iowa Colony Bld NB over Detention Basin

Good

Brazoria County, Texas · 0.05 MI S of Meridiana Pk · Structure no. 120200U00627001

Built
2018
7 years old
Condition
Good
inspected December 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
65 ft
1 main span
Daily traffic
500
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Iowa Colony Bld NB over Detention Basin is a prestressed concrete box beam or girders - single or spread carrying Iowa Colony Bld NB over Detention Basin in Brazoria County, Texas. It was built in 2018, so it is 7 years old, younger than the Texas average of 44.4 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 500 vehicles a day, projected to reach 600 by 2038. The structure is 65 ft (19.8 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesIowa Colony Bld NB
CrossesDetention Basin
Location0.05 MI S of Meridiana Pk
RouteCity Street 0
CountyBrazoria County
StateTexas
Coordinates29.43939, -95.41484
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length65 ft (19.8 m)
Longest span65 ft (19.8 m)
Deck width40 ft (12.1 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2018)
Projected traffic600 by 2038
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Iowa Colony Bld NB over Detention Basin built?

It was built in 2018, making it 7 years old in 2025.

What condition is Iowa Colony Bld NB over Detention Basin 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 December 2023.

How much traffic does Iowa Colony Bld NB over Detention Basin carry?

About 500 vehicles per day (2018 count).

How long is Iowa Colony Bld NB over Detention Basin?

The structure is 65 ft (19.8 m) long with a longest span of 65 ft (19.8 m) and a deck 40 ft wide.

Who owns Iowa Colony Bld NB over Detention Basin?

It is owned by the City or Municipal Highway Agency.