US Bridges

White Flat RD over IH 20

Fair

Nolan County, Texas · 2.00 MI W of Taylor C/L · Structure no. 081770000603176

Built
1959
66 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
305 ft
4 main spans
Daily traffic
30
2020 count
Owner
State
State Highway Agency

About this bridge

White Flat RD over IH 20 is a prestressed concrete stringer/multi-beam or girder carrying White Flat RD over IH 20 in Nolan County, Texas. It was built in 1959, so it is 66 years old, older 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 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 30 vehicles a day, projected to reach 125 by 2033. The structure is 305 ft (93 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesWhite Flat RD
CrossesIH 20
Location2.00 MI W of Taylor C/L
RouteCounty Highway 0
StateTexas
Coordinates32.48856, -100.18073
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating38 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4 (+2 approach)
Design loadH 20
Structure length305 ft (93 m)
Longest span65 ft (19.8 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2020)
Projected traffic125 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was White Flat RD over IH 20 built?

It was built in 1959, making it 66 years old in 2025.

What condition is White Flat RD over IH 20 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 March 2023.

How much traffic does White Flat RD over IH 20 carry?

About 30 vehicles per day (2020 count).

How long is White Flat RD over IH 20?

The structure is 305 ft (93 m) long with a longest span of 65 ft (19.8 m) and a deck 29 ft wide.

Who owns White Flat RD over IH 20?

It is owned by the State Highway Agency.