US Bridges

Hamilton ST over Little White Oak Bayou

FairPosted for load

Harris County, Texas · 0.3 MI W of Werner · Structure no. 121020B29833377

Built
1995
30 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
39 ft
3 main spans
Daily traffic
1,500
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

Hamilton ST over Little White Oak Bayou is a wood or timber stringer/multi-beam or girder carrying Hamilton ST over Little White Oak Bayou in Harris County, Texas. It was built in 1995, so it is 30 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 1,500 vehicles a day, projected to reach 1,500 by 2035. The structure is 39 ft (11.9 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHamilton ST
CrossesLittle White Oak Bayou
Location0.3 MI W of Werner
RouteCity Street 0
StateTexas
Coordinates29.84724, -95.39927
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour evaluation has not been made
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating59 US tons
Inventory rating41 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadUnknown
Structure length39 ft (11.9 m)
Longest span14 ft (4.3 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2015)
Projected traffic1,500 by 2035
Trucks0%
Lanes on structure2
Traffic directionTwo-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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$21,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Hamilton ST over Little White Oak Bayou built?

It was built in 1995, making it 30 years old in 2025.

What condition is Hamilton ST over Little White Oak Bayou 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 August 2023.

How much traffic does Hamilton ST over Little White Oak Bayou carry?

About 1,500 vehicles per day (2015 count).

How long is Hamilton ST over Little White Oak Bayou?

The structure is 39 ft (11.9 m) long with a longest span of 14 ft (4.3 m) and a deck 28 ft wide.

Who owns Hamilton ST over Little White Oak Bayou?

It is owned by the City or Municipal Highway Agency.