US Bridges

Enid ST over Little White Oak Bayou

PoorPosted for load

Harris County, Texas · 0.12 MI W of IH45 · Structure no. 121020B22569921

Built
1943
82 years old, rebuilt 1997
Condition
Poor
inspected January 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
120 ft
7 main spans
Daily traffic
1,500
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

Enid ST over Little White Oak Bayou is a wood or timber stringer/multi-beam or girder carrying Enid ST over Little White Oak Bayou in Harris County, Texas. It was built in 1943 and reconstructed in 1997, so it is 82 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 1,500 vehicles a day, roughly 2% of them trucks, projected to reach 1,710 by 2035. The structure is 120 ft (36.6 m) long and 26 ft wide.

CarriesEnid ST
CrossesLittle White Oak Bayou
Location0.12 MI W of IH45
RouteCity Street 0
StateTexas
Coordinates29.80824, -95.37532
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
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 rating15 US tons
Inventory rating8 US tons

Structure

MaterialWood or Timber
DeckConcrete, cast-in-place
Main spans7
Design loadUnknown
Structure length120 ft (36.6 m)
Longest span17 ft (5.2 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2015)
Projected traffic1,710 by 2035
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$119,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Enid ST over Little White Oak Bayou built?

It was built in 1943, making it 82 years old in 2025. It was reconstructed in 1997.

What condition is Enid ST over Little White Oak Bayou in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2024.

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

About 1,500 vehicles per day (2015 count), of which roughly 2% are trucks.

How long is Enid ST over Little White Oak Bayou?

The structure is 120 ft (36.6 m) long with a longest span of 17 ft (5.2 m) and a deck 26 ft wide.

Who owns Enid ST over Little White Oak Bayou?

It is owned by the City or Municipal Highway Agency.