US Bridges

IH 20 EB over FM 3525

Good

Mitchell County, Texas · 1.1 MI W of SH 208 · Structure no. 081680000508097

Built
1962
63 years old
Condition
Good
inspected May 2023
Type
Slab
Concrete Continuous
Length
114 ft
3 main spans
Daily traffic
9,750
2019 count
Owner
State
State Highway Agency

About this bridge

IH 20 EB over FM 3525 is a concrete continuous slab carrying IH 20 EB over FM 3525 in Mitchell County, Texas. It was built in 1962, so it is 63 years old, older 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 9,750 vehicles a day, roughly 43% of them trucks, projected to reach 8,400 by 2033. The structure is 114 ft (34.7 m) long and 42 ft wide.

CarriesIH 20 EB
CrossesFM 3525
Location1.1 MI W of SH 208
RouteInterstate 20
StateTexas
Coordinates32.4075, -100.87828
Functional classUrban Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41 US tons
Inventory rating25 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length114 ft (34.7 m)
Longest span45 ft (13.7 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,750 (2019)
Projected traffic8,400 by 2033
Trucks43%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 IH 20 EB over FM 3525 built?

It was built in 1962, making it 63 years old in 2025.

What condition is IH 20 EB over FM 3525 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 May 2023.

How much traffic does IH 20 EB over FM 3525 carry?

About 9,750 vehicles per day (2019 count), of which roughly 43% are trucks.

How long is IH 20 EB over FM 3525?

The structure is 114 ft (34.7 m) long with a longest span of 45 ft (13.7 m) and a deck 42 ft wide.

Who owns IH 20 EB over FM 3525?

It is owned by the State Highway Agency.