US Bridges

RM 3307 over IH 10

Fair

Sutton County, Texas · 11.93 MI E of US 277 · Structure no. 072180014105094

Built
1972
53 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
224 ft
2 main spans
Daily traffic
129
2018 count
Owner
State
State Highway Agency

About this bridge

RM 3307 over IH 10 is a prestressed concrete stringer/multi-beam or girder carrying RM 3307 over IH 10 in Sutton County, Texas. It was built in 1972, so it is 53 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 129 vehicles a day, roughly 18% of them trucks, projected to reach 181 by 2038. The structure is 224 ft (68.3 m) long and 32 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesRM 3307
CrossesIH 10
Location11.93 MI E of US 277
RouteState Highway 3307
StateTexas
Coordinates30.53981, -100.4545
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 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 rating25 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+1 approach)
Design loadH 20
Structure length224 ft (68.3 m)
Longest span100 ft (30.5 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic129 (2018)
Projected traffic181 by 2038
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed16.2 mi (26 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 RM 3307 over IH 10 built?

It was built in 1972, making it 53 years old in 2025.

What condition is RM 3307 over IH 10 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 June 2024.

How much traffic does RM 3307 over IH 10 carry?

About 129 vehicles per day (2018 count), of which roughly 18% are trucks.

How long is RM 3307 over IH 10?

The structure is 224 ft (68.3 m) long with a longest span of 100 ft (30.5 m) and a deck 32 ft wide.

Who owns RM 3307 over IH 10?

It is owned by the State Highway Agency.